Features: 1.Temperature Unit Switching: You can set the temperature unit as you like by simply pressing the set button, which is very convenient and simple. 2.Low Power Consumption: Our temperature and humidity sensor is designed with low power consumption technology, which can work continuously for 6 to 8 hours and has a long life. 3.Remote Monitoring: This temperature and humidity sensor supports remote monitoring with cell phones, either for IOS or for Android can easily transfer data. 4.Easy to Use: The temperature and humidity sensor is practical and simple to use, easy to operate, supports voice control and easy to carry. 5.Wide Application: This sensor is suitable for different scenes. Living room, bedroom, wine cellar, closet, kitchen and bathroom can be applied. Specification: Item Type: Smart Temperature Humidity Sensor Material: ABS Use: Widely available, suitable for different scenes, living room, bedroom, wine cellar, closet, kitchen, bathroom can be used Battery Type: AAAx3 (shipping without batteries) Supported APP: For Tuya APP Standby Current: 26uA - 250uA Operating Temperature: -10 - 60 (14F - 140F) Operating Humidity: 0% - 100% Temperature Error: Typical Error 0.5C Relative Humidity Error: Typical Error 5% Product Size: Approx. 84 x 80 x 20mm / 3.31 x 3.15 x 0.79in PackageList: 1 x Temperature Humidity Sensor(Shipping Without Batteries) 1 x Instruction Manual Note: Do not place the product in the environment which is too corrosive, humid and high temperature!