Sumring versatile device allows you to connect sensors quickly and inexpensively to the internet through wifi.
Magnetic Switch Wireless Wifi Door Sensor With Alarm
smart door sensor wifi door alarm Wifi Door Sensor With Alarm
Home Smart Tuya Gas Sensor Detector Wifi Gas Sensor LPG Natural Gas Alarm
Protect your home from time to time with our WiFi Smart Gas Detector, which is designed to detect the first signs of danger. with voice alarm