DescriptionAre you looking for a professional, yet affordable humidity sensor? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? If yes, look no further Our professional humidity sensor must meet you 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.- Sensing 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).- Supply voltage: DC 3V 2xAAA batteries (batteries are not included).- Radio transmission circuit and coding technology to solve signal interference blocking problem.- Various 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.- Timely send online reports to the host.- Split design, high reliability.- Note: need to download smart life app; need to be used with zigbee gateway; unable to link app independently; need to have zigbee gateway.Packing list1 x Humidity Sensor