100% brand new and high quality Features: Function: Determine whether the infrared light emitted by the human body is moving to sense the existence of the human body in the defense zone ABS material + round shape, the whole design is round and comfortable, which can be matched with various home decorations The indoor environment temperature and humidity that the wifi thermometer can perceive, with LCD screen to display real-time values, and it will also be displayed on the APP to convey a comfortable home environment When abnormal temperature and humidity are detected, an alert will be sent to your mobile phone, which is very suitable for the elderly and children With home automation function Easily install on the wall or any surface by screws or tape 1. Radio transmitting circuit and coding technology to solve the problem of signal interference blocking 2.Various temperature modes can be adjusted, suitable for different scenarios 3. Wireless transmission of data signals, mobile phone remote monitoring 4. Ultra-low power consumption and long battery life 5.With low voltage monitoring prompt function 6. Send online reports to the host regularly 7. Anti-disassembly design in professional security field specification: Sensitive distance: 6 meters Viewing angle: 110 degrees Working temperature: 0C~40C (32F~104F) Working humidity: 20%~85% Storage temperature: 0~60 (32F~140F) Dimensions: 68*68*30MM Power supply: DC3V (AAA * 2 battery,not included) Material: ABS color: White Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1*temperature and humidity sensor 1*manual