In response to the "Special Heat Stroke Warning Alert" and the "Mandatory Heat Stroke Measures" that began full-scale operation in June 2025, we are reintroducing our IoT heat stroke countermeasure solutions. The target products are the three series: "Meru Maru-kun + Heat Stroke Alert," "Miharukun PRO," and "Momoko and Ayaka." With this system revision, heat stroke measures have changed from "effort obligations" to "obligations" for all businesses employing workers. As measures are required across all industries and sites, including government agencies, educational institutions, welfare facilities, distribution, and construction, ISA supports the creation of a safe and secure environment through existing products that can be operated immediately. ■ Introduction of three heat stroke countermeasure products (1) Meru Maru-kun + Heat Stroke Warning Alert Email Distribution Service (2) Miharukun PRO (WBGT compatible model) (3) Momoko and Ayaka Environmental Monitoring Solution (environmental monitoring, recording, alerts) ◆ Main industries and achievements of implementation Local governments (offices, evacuation centers, nurseries) Educational institutions (playgrounds, gymnasiums, classrooms) Medical and welfare facilities (nursing homes, disability support facilities) Distribution and construction industries (warehouses, job sites, delivery hubs) General companies (reception areas, warehouses, employee break rooms)

Currently, we are selling network monitoring devices, but due to the discontinuation of the production of certain components, we will temporarily suspend sales for the time being. We sincerely apologize for the inconvenience this may cause our customers and appreciate your understanding. Sales will resume as soon as we are able to obtain the necessary components. For any questions or inquiries about alternative products, please contact the following office. Product Name Blade-type Network Monitoring Device / Mini Network Monitoring Device Applicable Model Numbers - NM-2100MX - NM-2100MXL Sales Suspension Start Date From July 23, 2025 [ Contact Information ] ISA Corporation Solution Sales Department 6-24-16 Shinjuku, Shinjuku-ku, Tokyo 160-0022 TEL: 03-3208-1563 E-Mail: isa-sales@isa-j.co.jp

ISAI Corporation has added the compact dual-channel GB2105A, which is easy to use while inheriting the excellent features of the popular GB2000 series (GB2110A/GB2130A/GB2132A) for gigabit-compatible network device monitoring/power management and control devices (rebooters). Orders will begin on June 1, 2025. <Product Overview> The GB2000 series is a rebooter that monitors abnormalities in network devices such as routers, hubs, surveillance cameras, recorders, digital signage, and remote PCs through the network, and automatically restores power to recover in case an anomaly is detected. It also allows for power ON/OFF/reboot operations via remote commands. <Product Features> ■ Standard gigabit LAN support (IPv4/v6 compatible) ■ Monitors up to 64 services ■ Individual power control with two grounded outlets

ISA Corporation (abbreviated as ISA, located in Shinjuku, Tokyo, President: Koji Yanagihara) has developed the PDU-6000 series as a product that inherits the excellent features of the previously sold Remote Power Controller, PDU-5000 series, while further enhancing speed and network security. Orders will begin on June 1, 2025. The PDU-6000 series is a device that controls the power supply of computers, communication equipment, display devices, and various IT devices remotely via LAN/WAN, allowing for ON/OFF control. It enhances the well-established functions of the PDU-5000 series with increased speed, network security, automatic shutdown processing for connected computers, and automatic scheduling functions. Additionally, it allows for various setting changes such as ON/OFF control and operation schedules, along with notification features via email, making automated control management of unmanned sites easily achievable.

ISA Co., Ltd. (hereinafter referred to as ISA) (Shinjuku, Tokyo, President: Koji Yanagihara) has developed an "Integrated Management System for Reduction Firing" that accurately measures the concentration of carbon monoxide (CO) and firing temperature in the firing kiln during ceramic reduction firing, and displays data and graphs in real-time. Orders will begin on April 30, 2025. <Patent pending> Invention name: Reduction Firing Management System Product site: https://isa-j.co.jp/momoaya/product/wd300/ ● High-precision measurement of CO concentration in reduction firing (0.000–10.000 vol%) ● Supports simultaneous measurement with 2 thermocouples (up to 1768°C) ● Compatible with both local and cloud data storage and verification ● Visualizes the effects of gas pressure, hydraulic adjustments, and damper opening and closing ● Links flame color and the state of Seger cones with CO concentration and cumulative values ● Contributes to labor-saving, energy-saving, and productivity improvement in ceramics and industrial ceramics

We would like to inform you that due to the discontinuation of some components, the sales of our long-time product "PDU-5115S" will end with orders received by July 31, 2025. We apologize for the inconvenience this may cause and encourage you to consider transitioning to a successor product. For any questions or inquiries regarding the successor product, please contact the following office. Discontinued Product: PDU-5115S (Remote Power Controller) - Last Order Date: July 31, 2025 (Final Shipment Date: August 31, 2025) - End of Maintenance Support: July 31, 2030 - End of Repair Support: July 31, 2032 * We will continue to provide support for maintenance contracts until the contract period expires. * After the product is discontinued, spot repairs will still be available for a fee. ■ The successor product will be announced on our website by May 2025. ◆ Contact Information ISA Corporation Solution Sales Department 6-24-16 Shinjuku, Shinjuku-ku, Tokyo 160-0022 TEL: 03-3208-1563 E-Mail: isa-sales@isa-j.co.jp

Dear Sir/Madam, Thank you very much for your continued support. Regarding the related product "Temperature Monitoring with Keiko-chan" (Keiko-chan Plus 7G+), we will temporarily suspend sales due to the discontinuation of the thermostat used. We sincerely apologize for the inconvenience this may cause and appreciate your understanding. Sales will resume as soon as we are able to obtain the thermostat. If you have any questions or inquiries about alternative products, please contact us at the address below. We look forward to your continued patronage. Sincerely, - Record - Product Name: Temperature Monitoring with Keiko-chan Applicable Model Numbers: - DN-1710GL-N3LCBT1 (Dark Gray / Includes 1 Electronic Thermostat) - DN-1710GL-N3LCWT1 (Light Gray / Includes 1 Electronic Thermostat) - DN-1710GL-N3LCBT2 (Dark Gray / Includes 2 Electronic Thermostats) - DN-1710GL-N3LCWT2 (Light Gray / Includes 2 Electronic Thermostats) - DN-S09ET (Sensor-equipped Electronic Thermostat / Standalone) Sales Suspension Start Date: From April 16, 2025

ISA Corporation (abbreviated as ISA, located in Shinjuku, Tokyo, President: Koji Yanagihara) will launch the USB bus-powered warning light "Keiko-chan 7UX" on January 10, 2023. The "Keiko-chan 7UX" has been developed as a successor to the three-light model "Keiko-chan 4UX," which was discontinued in August 2022, in response to the long-awaited requests from repeat customers. This popular warning light allows for easy power supply and control via a USB cable, maintaining the basic functions of the 4UX, while the 7UX introduces two new interface options: a USB-only type (DN-1770UX) and a USB/contact input (DI) connection type (DN-1780UX). Both models can be controlled as external commands using a dedicated command tool for Windows, allowing for operation through command prompts, batch files, or applications. Additionally, control can be performed from Linux through device files, enabling users to notify workers and those nearby of "status" using lamps or buzzers on production lines, or to alert of "abnormal conditions" in server rooms in combination with temperature sensors, thus assisting users in their "awareness."

We have started selling the "DN-3600 series," which enhances some features of the popular "DN-3100" input/output (DIO) monitoring and control device series that celebrates its 10th anniversary this year, from October 1st. The input/output (DIO) monitoring and control device is used as a foundational device in data centers, communication facilities, and monitoring facilities. It monitors contact information from power equipment and various sensors, and performs health and anomaly monitoring of IT equipment and network devices used in combination with them. It can send status change information and commands to higher-level monitoring devices and applications connected via the network. When it detects an anomaly in the equipment from the signals, it quickly alerts surrounding operators and IT administrators of the occurrence of the anomaly through voice or email, enabling rapid response. Additionally, the collected status data can be utilized for equipment operation management, preventive maintenance, and analysis. Remotely monitoring and controlling devices that do not have a network interface contributes to reducing maintenance labor, improving work management efficiency, addressing labor shortages, and enhancing smart operations on-site. Furthermore, with the launch of the new product, sales of the "DN-3100A/B series" have ended as of the end of September 2022.

Utilizing the "Ultra-Low Temperature Freezer Monitoring Solution," a system that automatically monitors temperature and power abnormalities in freezers for storing COVID-19 vaccines, the Miura City Hall is implementing measures to prevent vaccine disposal. This initiative, which involves the introduction of a system that monitors both temperature and power, is one of the few of its kind in the country. <Purpose of Implementation> To monitor temperature and power abnormalities in freezers and ultra-low temperature freezers (deep freezers) storing COVID-19 vaccines, in order to prevent vaccine disposal accidents caused by power outages, equipment malfunctions, and human errors. <Results of Implementation> The system operated during power outages, allowing vaccines to be stored without compromising quality. Additionally, the vaccine storage environment (internal temperature and power abnormalities) can now be checked from smartphones and PCs, leading to reduced work hours for staff and improved operational efficiency. <Freezers monitored by the system at Miura City Hall> - One unit from Japan Freezer Co., Ltd. - One unit from PHC Corporation *For details about the system, please refer to the product PDF. *For more information, visit our company website or the Ipros introduction page. <Note 1> With a 270W freezer, the standard configuration provides 2 hours and 45 minutes of backup. In the maximum configuration (with two additional battery units), it can provide 5 hours and 5 minutes of backup.

ISAI Corporation has developed a high-function version of a carbon dioxide concentration measuring device, the "Indoor Environment Measurement Monitoring Device Miru-kun PRO <WD100-ENV-LCD>", which contributes to infection control and productivity improvement, and will begin sales on January 21, 2022. This product displays the measured values of indoor temperature, humidity, and carbon dioxide (CO2) concentration on a large LCD screen, while visualizing the environmental conditions with three colors of light according to the levels. It notifies users via email or alerts when ventilation is needed. Data is sent to a higher level using LoRa, a representative wireless communication method of LPWA, for visualization and analysis. A compact version model without an LCD <WD100-ENV> will also be released simultaneously. Both models allow for quick startup from installation, enabling measurement, monitoring, and countermeasures to begin in a short period. When combined with an additional contact input/output unit, it is also possible to coordinate and control ventilation systems. Up to 32 child units can be connected to one main unit, and the communication between the measuring unit and the main unit uses LoRa wireless communication, covering areas and obstacles that Wi-Fi or Bluetooth cannot reach. It is also ideal for environmental monitoring in large factories and facilities.

The network warning light "Keiko-chan 7GX," a LAN connection-only model (DN-1700GX series), will be released and available for order starting December 6. The new product, the network warning light "Keiko-chan 7GX (DN-1700GX) series," is born as the seventh generation of Keiko-chan. It retains the basic functions of the current product "Keiko-chan 4GX (DN-1500GX) series" (which has been sold since 2013 and is scheduled to end sales by the end of December 2021) while adopting a non-contact sensor (alarm stop button) for hygiene considerations and achieving energy savings. Developed under the new concept of "a warning light that customers can use more safely and comfortably," it incorporates user-friendly features. At the same time, it has upgraded the TLS version (TLS 1.2), implemented HTTPS for control commands, and added access permission settings for the web configuration tool, significantly enhancing communication security related to network functions, monitoring functions, and warning/notification functions. While sales (orders) for the "Keiko-chan 4GX (DN-1500GX) series" will end on December 31, 2021, the new series retains the appearance, size, lens specifications, and types of lights.

Currently, ultra-low temperature freezers (deep freezers) are used for storing COVID-19 vaccines, but accidents continue to occur due to human errors such as incomplete door closures or unplugged power cords, as well as malfunctions of the deep freezers themselves, leading to temperature increases and the disposal of valuable vaccines. As one of the countermeasures, power backup solutions such as batteries or UPS systems are being offered by various companies; however, issues remain regarding forgotten closures of freezer doors and malfunctions of the freezers themselves, which cannot be resolved by power backup alone. In response, ISA will begin offering a dual solution called the "Ultra-Low Temperature Freezer Monitoring Solution" starting August 10. This solution includes not only power measures but also constant automatic measurement and monitoring of internal temperatures via long-range wireless communication, allowing for early detection of rising temperature trends and providing warnings and notifications through emails and warning lights. Utilizing our long-standing achievements, accumulated know-how, and development technology in the IoT field and power management sector, we aim to contribute, even in a small way, to alleviating the confusion and damage caused by the spread of the novel coronavirus. [Introduction Site] https://isa-j.co.jp/solutions/vaccine-freezer/

As we approach the upcoming autumn and winter season, it is very important to monitor carbon dioxide levels and promote ventilation not only for the prevention of COVID-19 but also for other infectious diseases like influenza. Additionally, increases in temperature, humidity, and CO2 levels in classrooms can hinder learning efficiency. Knowing when to ventilate is crucial for creating a comfortable learning environment. At ISA, we are conducting a campaign sale of indoor environment (CO2 concentration + temperature and humidity) monitoring sets to support hardworking students. If you contact us during the campaign period, we will conduct a free on-site survey, including a communication test. ■ Indoor Environment (CO2 Concentration + Temperature and Humidity) Monitoring Set [For Educational Facilities × Ventilation Promotion] consists of a main unit + sub-units (with sensors). Up to 32 sub-units can be connected. - Main Unit (WD100-S32/N32): Data collection and communication control server - Sub Unit (WD100-THC): Temperature and humidity/CO2 measurement unit (with sensor) [Usage Image] Measurement sensors (sub-units) that do not require power supply are installed in each classroom, and measurement data is collected at the main unit in the staff room or management room. Since CO2 concentration and temperature and humidity data can be monitored remotely in bulk, measures to improve the indoor environment can be initiated immediately. <This campaign has ended>

We would like to introduce a case study of the "Indoor Environment Monitoring Set" (high-performance CO2 concentration, temperature and humidity measuring sensors, gateway, and warning light) that has been implemented at Shinjuku K's Cinema (Location: Shinjuku, Tokyo). <Purpose of Implementation> To visualize the air and environmental conditions within the facility and to implement appropriate ventilation measures and prevent sealing. <Implementation Effects> ■ Visualization of indoor environment (CO2 concentration, temperature, and humidity) ■ Efficient and accurate implementation of ventilation measures ■ Infection prevention through sealing prevention measures ■ Providing safety and security to customers

The DN-1600W series, which specializes the interface for Wi-Fi-only functionality, allows for the easy construction of warning and alarm systems in a Wi-Fi environment without the need for LAN installation. It can be used in various locations such as offices, server rooms, medical and caregiving sites, as well as in conference rooms and management offices where personnel are not always present. Operating as a Wi-Fi client, it lights up or flashes lamps based on commands sent via applications (HTTP, MQTT) and activates the built-in buzzer to quickly inform surrounding workers and stakeholders of the "status." The newly announced DN-1600WD is a model equipped with DI (dry contact signal input) functionality, which has been added to the already available DN-1600W. It directly controls lamps and buzzers from external device contact signals. Many devices and sensors can output state changes as contact signals, and by connecting this signal to the contact input terminals of the DN-1600WD, it can easily be added as a reporting device. For example, it can notify of "state changes (abnormalities in equipment or temperature, intrusion of individuals, etc.)" when combined with motion sensors, security cameras, temperature sensors, or door sensors.

ISAI Corporation has developed a compact, palm-sized warning light called "Doko Demo Keiko-chan," which takes into account the changes in lifestyle such as "recent work styles" and "new living standards" from the Keiko-chan series. Following the USB-compatible model, the first Wi-Fi-only model, "DN-1600W," will be available for sale starting December 9, 2020. This warning light works in conjunction with applications and service programs on PCs and servers, combining buzzer sounds and lamp flashing via Wi-Fi to quickly inform surrounding workers and stakeholders of the "status." For example, when linked with Meru Maru-kun, it will notify the Doko Demo Keiko-chan installed on the same network with light and sound when a specific important email that should not be missed is received. It contributes to "awareness" in various settings such as offices, schools, tutoring centers, and commercial facilities.

ISAI Corporation has developed a compact palm-sized warning light called "Doko Demo Keiko-chan," which is designed to adapt to changes in lifestyle such as "recent work styles" and "new living standards," while also considering various environments and usage scenarios. The first two models, compatible with USB (DN-1600U/UD), will go on sale starting October 29. Until now, USB-compatible warning lights have primarily been used in business settings, but recently, there has been an increase in opportunities to install them in places where the general public can see them, such as in medical and educational settings. Therefore, ISAI has developed a compact palm-sized warning light within the Keiko-chan series that is most adaptable to the environment and can be easily installed anywhere, including on walls and ceilings. In addition to a complete redesign of its appearance and size, new features have been added, such as a non-contact sensor for deactivating the alarm, taking into account hygiene considerations in light of recent infectious disease measures. The lamp offers a wider selection of color differentiation with seven multi-colors: red, yellow, green, blue, aqua, purple, and white.

Our new product, the "Gigaboot (GB2130A/GB2132A)," specializes in monitoring the status of communication devices that utilize DC48V power in communication base stations, as well as service monitoring, and further enables remote monitoring, control, and communication. In the event of an anomaly detection or a command from a remote location, it performs power OFF/ON/reboot for DC48V high current. It contributes to the early recovery of equipment installed in locations that are quickly inaccessible for security reasons, ensuring stable internet communication. 【Features】 - Adopts a high-speed, low-power CPU based on the new ARM Cortex architecture - Standard equipped with Gigabit LAN ports - Supports IPv4/v6 - Up to 64 for ping-based liveliness monitoring and up to 32 for service monitoring - GB2130A allows simultaneous control of 2 systems, while GB2132A allows individual or simultaneous control of 4 systems *For more details, please refer to related products and catalogs, or feel free to contact us.

We have started selling the reboot device "Gigaboot (GB2130A/GB2132A)" that operates 24/7 to monitor communication devices (DC48V) primarily used in the communication base station and broadcasting equipment market. The "Gigaboot (GB2130A and GB2132A)" monitors the status of communication equipment utilizing DC48V power specifically for communication base stations, and also performs remote monitoring, control, and communication. It can turn the DC48V high-current power OFF/ON/reboot upon detecting anomalies or receiving commands remotely. This contributes to the early recovery of equipment installed in locations that maintenance personnel cannot quickly access for security reasons, ensuring stable internet communication. 【Features】 1. Adopts a high-speed, low-power CPU based on the latest ARM Cortex architecture, ensuring reliable monitoring and power control. 2. Standard equipped with a Gigabit LAN port, supporting IPv4/v6. 3. Up to 64 for liveliness monitoring via PING, and up to 32 for service monitoring. 4. GB2130A allows simultaneous control of 2 systems, while GB2132A allows individual or simultaneous control of 4 systems. For more details, please contact us.

We have newly added the product "LoRa-compatible pulse counting function equipped digital input/output device 'WD100-GWPIO'" for the measurement and instrumentation field, and sales began on July 15th. It measures pulses output from flow meters, gas meters, and other devices such as flow meters, electric meters, and pressure gauges, monitoring both "cumulative values and instantaneous values." When a preset threshold is exceeded, it not only notifies alarms through abnormal displays or emails but also controls devices via digital signals. The data communication between the child and parent devices has numerous achievements in other fields, and by adopting LoRa communication, a representative technology of LPWA, stable communication is possible even from distances measured in kilometers. Applications in various fields such as production, process management, and inspection are expected.

SMART-View is a subsystem designed for visualizing and analyzing measurement data from our currently available 'WD100 Series (LoRa Environmental Data Measurement System)' while continuously saving the data. It consists of a high-speed NAS device with SSDs and software, enabling easy data utilization on-premises without going through the cloud. SMART-View is packaged as a product set that includes software, NAS, and a hub, allowing you to start using it immediately after purchase (a separate maintenance contract is required). The software interface prioritizes visibility and ease of use, so anyone can easily start data collection and monitoring with a PC or smartphone!

"LoRa Electric Field Strength Measurement That Can Be Done by One Person, Dedicated Measuring Device Released" In sensing systems using LoRa communication, a representative method of LPWA communication, it is important to measure the electric field strength (reception sensitivity) of the radio signal in advance to establish stable communication between the point to be measured and the data reception base. Traditionally, confirming electric field strength required temporarily setting up actual devices and obtaining measurement data through a PC connected to the receiving side, which was time-consuming and required specialized knowledge. ISA has developed the LoRa Communication Electric Field Strength Meter Model WD100-RXT, which solves these issues and allows anyone to easily measure the strength of LoRa radio waves, facilitating subsequent installation work. We take pride in contributing to the further spread of LoRa products, anticipating its use by users planning to introduce LoRa systems and installation and sales companies.

Starting from May 27, we will sell the Power Guardman X series, which significantly improves the general UPS load factor from 0.7 to 0.9, greatly contributing to energy savings in the system. The new product is equipped with a dedicated GbE-compatible network card developed based on the network control technology that ISA has cultivated over many years, with significant enhancements in both functionality and security. 【Features】 1. Achieves a load factor of 0.9, allowing for approximately 20% greater load connection compared to conventional models. 2. Offers 12 models with GbE network capability as standard. 3. Wide input voltage and frequency range, capable of handling power fluctuations, making it ideal for use with generators. 4. Allows management of UPS operating status through the network. 5. Supports IPv4/v6, SNMPv1/v2c/v3, and features high-security functions through encrypted communication. 6. Automatic operation functions, including support for virtualized servers and agentless shutdown functionality (one license of agent software included). 7. Various notification functions via email and SNMP traps, integration with alert systems. 8. Remote control capabilities via email and commands. 9. Backup time can be extended by connecting an extended battery unit.

ISAI Corporation will sell the stationary high-performance LPWA wireless measurement and analysis device 'WD100-FA01'. The LoRa server, which acts as the data receiving side, can integrate measurements from various sensors such as temperature and humidity in addition to vibration measurements. Communication with upper servers and the cloud is conducted via GbE or LTE, and various protocols are supported. 【Features】 ■ FFT processing on the sensor edge, utilizing LoRa wireless communication ■ Individual measurement and analysis of XYZ three axes ■ Ability to set six frequency bands ■ Spectrum and alarm functions ■ Easy setup and user-friendly GUI *For more details, please feel free to contact us.

ISAI Corporation will launch the "WD120A/WD120B SIGNAL-monitor Warning Light Status Monitoring Unit," which monitors the status of warning lights installed in manufacturing processes using long-distance communication via LoRa wireless technology, starting November 1. The WD120A can be directly attached to the Patlite LR5 series warning lights, while the WD120B is a universal model that can be installed on many warning lights, including older models from various manufacturers. Both the WD120A and WD120B utilize the signals from already installed warning lights, so no power installation work is required. As a result, the time required for implementation is minimal, reducing downtime in the process. The data collection communication server allows for the setting of monitoring conditions for changes in each SIGNAL-monitor, and when a status change is detected, it can send notifications via email or transmit commands to other devices over the network.

ISAI Co., Ltd. has been building a track record since the announcement of the "Momoko and Ayaka" WD100 series last June, which features long-range communication capabilities using LoRa wireless technology and a 10-year battery life. Starting August 1, we are launching two new units in this series: the "Current Measurement LoRa Wireless Communication Unit" and the "Voltage Measurement LoRa Wireless Communication Unit" for measurement and instrumentation fields. At the same time, we will also release a "Submersible Water Level Sensor" that can be used in rivers, ponds, and water storage facilities.

In food hygiene management and environmental monitoring, the importance of temperature and humidity monitoring is increasing from the perspective of managing refrigerators, freezers, and human-operated work environments within facilities, as well as preventive maintenance of equipment. In June 2018, an amendment to the Food Sanitation Act was passed in the National Diet, requiring the introduction of HACCP as a system to provide consistent "food safety and security" from producers to consumers for all food-related businesses as a principle. Momoko and Ayaka do not require specific installation locations as they are 10-year battery-operated temperature and humidity measurement units. They can easily start measuring by simply being installed in the necessary measurement locations. Additionally, a communication server that collects data and establishes communication with higher-level management systems uses LoRa wireless technology. Utilizing general-purpose sensors, advanced wireless technology, and our core technologies of network compatibility and power management, we contribute to the sequential monitoring of temperature and humidity in facilities and critical management items with high flexibility and cost performance. Please utilize Momoko and Ayaka to prevent foodborne illnesses through thorough temperature management!

LoRa Wireless Remote Monitoring and Control Device WD100 Series, Now Available! ISAI Co., Ltd. has launched the WD100 series "Momoko and Ayaka," which allows for remote collection of environmental information and control of devices using the powerful communication technology LoRa, promoting IoT based on our unique network monitoring and power management control technologies developed over the years. Sales began on June 1, 2018. In preliminary communication tests, stable communication was confirmed at a line-of-sight distance of 42 km. 【Features】 ■ Measurement unit comes pre-wired with sensors ■ Maintenance-free ■ Long lifespan ■ Suitable for both indoor and outdoor installation ■ Excellent monitoring and management functions ■ Long-distance communication ■ Abundant external connections *For more details, please feel free to contact us.