Are you looking for a professional, yet affordable humidity sensor? Are you looking for a robust, reliable tool that can do multiple jobs at once? If yes, look no further! Our professional humidity sensor must meet your needs. It is one of the best choices for you. Features - Color: White.- Material: Plastic.- Size: 6.8 x 6.8 x 3 cm.- Standby current: 26uA alarm current: 120mA-130mA.- Detection range: 6m.- Viewing angle: 110 degrees.- Operating temperature: 0-40 (32°F-104°F).- Operating humidity: 20%-85%.- Storage temperature: 0-60 (32°F-140°F).- Power supply: DC 3V 2xAAA batteries (batteries not included).- Radio transmission scheme and coding technology to solve the problem of signal interference.- Different temperature modes can be adjusted for different scenes.- Wireless transmission of data signals, remote monitoring of mobile phones.- Ultra low power consumption and long battery life.- Sends online reports to the host in time.- Split design, high reliability.- Note: needs to download the smart life app; needs to be used with zigbee gateway; cannot link the app independently; needs to have zigbee gateway. Packing list: 1 x Humidity sensor