and High Real-time perception of temperature and humidity changes and real-time report to your smart phones with Smart Life Tuya App supported. history record in App for smart controls for your house temperature and humidity.Monitor your house temperature and humidity no matter where you are. Designed with low voltage monitoring reminder function in App for real-time power supply for your sensor.Battery powered with long battery life.(battery not include) New added with temperature compensation technique with smart scene linkage to your air conditioning and humidifier,offering your house with the comfortable temperature and humidity to enjoy smart life. Widely used in various and easily to the wall with the sticker for simple installation,light and compact.Easy set up and configure to your Smart Life App for convenient control Can be used with and Google home. Wifi Version 't need hub/ to operate. Product name: Temperature and humidity sensor Battery type:2*AAA(NOT INCLUDE) Product parameter:DC3V LR03 Quiescent current:less than 10uA Alarm current:less than 15mA Low voltage and undervoltage:less than 2.6V zigbee working frequency:2.400GHz-2.484GHz Detection temperature:-10Celsius~ 60Celsius Detection humidity:0-100%RH Working temperature:-10Celsius~ 50Celsius Working humidity:maximum 95%RH type:WIFI Colour:White Material:ABS Size:70 x 25 x 20mm Package Contents: 2 x Temperature And Humidity Sensor Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.