Feature: 1. Realize the real‑time sense of temperature and humidity changes, and real‑time report to the smartphone through Smart Life/ 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 must‑have 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 / for TUYA app. 3. The new ZigBee technology with a low‑power microprocessor can be used for long‑term standby; a low‑voltage monitoring reminder function is designed in the App, which can supply real‑time power to the sensor; battery‑powered 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℃-+50℃ Humidity Detection Range: 0%-95%RH Temperature Detection Accuracy: ±1℃ Humidity Detection Accuracy: ±5% Wireless Protocol: Zigbee Size: Approx. 39mm x 12mm / 1.5in x 0.5in. Package List: 1 x Temperature and Humidity Sensor1 x Sticker1 x Reset Pin1 x Manual