GS101 is a LoRaWAN ® residential gas detector to detect thenatural gas leak and send alarms. When the concentration caused by gas leak reaches the preset threshold, the detector will trigger both LED light alarm and buzzer sound alarm, it also supports controlling outputs to close the gas valve and open the vent fans to prevent potential accidents. Apart from local alarms, GS101 can also report the normal status of the device and alarm messages remotely by the use of LoRaWAN® technology. Integrating with Milesight LoRaWAN® gateway and Milesight IoT Cloud solution, users can monitor all the sensor data and control the device