1. Tuya Smart ZigBee Temperature and Humidity Sensor: A Tuya ZigBee Gateway Hub is a must to work with the temperature and humidity sensor,as well as a of ZigBee smart products, which is proved to be and control center for smart homes and plays an irreplaceable role for all ZigBee products and realizes the whole intelligent linkage of your house.Simply add the sensor into the ZigBee hub after adding the hub into Smart Life/Tuya App. 2. Real-time perception of temperature and humidity changes and real-time report to your smart phones with Smart Life Tuya App supported.View history record in App for smart controls for your house temperature and humidity.Monitor your house temperature and humidity no matter where you are. 3. New ZigBee technology with low power consumption microprocessor for long standby.Designed with low voltage monitoring reminder function in App for real-time power supply for your sensor.Battery powered with long battery life. 4. New added with temperature compensation technique with smart scene linkage to your air conditioning and humidifier,offering your house with the most comfortable temperature and humidity to enjoy our smart life. 5. Widely used in places 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 Battery type:CR2032 Temperature detection range:-10 - +55 Humidity detection range:0%-95%RH Temperature detection accuracy:0.5 Humidity detection accuracy:3% Wireless protocol:ZigBee Colour:White Material:ABS Package Contents: 1 * ZigBee Temperature Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.