This is 2.4G WiFi Tuya flammable gas alarm, which is used to detect the leakage of flammable gas and prevent the harm caused by gas leakage. The alarm uses high stability semiconductor gas sensor, which has the characteristics of high stability and small sensitivity drift. When a flammable gas leak is detected and the concentration value set by the alarm is reached, the alarm will send an alarm signal. t is widely used in kitchen, living room, garage, shopping mall, hotel, restaurant, office building, etc