Feature:1. Realize the realtime sense of temperature and humidity changes, and realtime report to the smartphone through Smart Life or for TUYA App. You can view the history in the App to intelligently control the temperature and humidity of the house, whereever you are.2. A for TUYA ZigBee Wireless Link Hub(not included) is a musthave for working with the temperature and humidity sensor and a variety of ZigBee smart products, Which is the smart home bridge and control hub and play vital role for all ZigBee products and performs all the smart home connection. Simply add the sensor to the ZigBee hub after adding the hub to the Smart Life or for TUYA app.3. The new ZigBee technology with a lowpower microprocessor can be used for longterm standby a lowvoltage monitoring reminder function is designed in the App, which can supply realtime power to the sensor batterypowered and long battery life.4. It is widely used in various places and can be easily attached to the wall through stickers. It is simple to install, lightweight and compact, and easy to set up and configure to Smart Life applications.5. This temperature and humidity sensor can support voice control and can be used with for Google home, which is very convenient for our users and can provide such a vivid expereience with our users.Specification:Item Type: Temperature Humidity SensorMaterial: ABSBattery Type: 1 x CR2450 Button Battery, 100mAH (Built-in Battery Shipped)Temperature Detection Range: 10-and50Humidity Detection Range: 0 percent -95 percent RHTemperature Detection Accuracy: 1Humidity Detection Accuracy: 5 percent Wireless Protocol: ZigbeeSize: Approx. 39mm x 12mm or 1.5in x 0.5in.Package List:1 x Temperature and Humidity Sensor1 x Sticker1 x Reset Pin1 x Manual