Sell CrazyTech[in stock]Tuya Zigbee Smart Smoke Detector Sensor Security Alarm System Smart life/tuya App Smoke Alarm Fire Pr best price

【Product name】 zigbee smoke sensor 【product size】 51*55mm【Wireless connection】 zigbee【Working current】Alarm current≤120mA【Battery life】More than 3 years【Working temperature】-10°C~+55°C【Low battery alarm】2.7V±0.1V【Communication distance】 More than 50 meters in an open space