Tuya Smart ZigBee Temperature and Humidity Sensor: A Tuya ZigBee Wireless Gateway Hub is required to operate the temperature and humidity sensor, as well as other ZigBee smart devices. The hub serves as the central control point for smart home integration and enables seamless interoperability among ZigBee products. Add the sensor to the ZigBee hub after setting up the hub in the Smart Life/Tuya App. Real-time monitoring of temperature and humidity changes, with immediate updates sent to your smartphone via the Smart Life/Tuya App. View historical data in the app for better environmental control. Monitor indoor conditions remotely from anywhere. ZigBee technology with low power consumption and a compact processor for extended standby time. Includes low battery level notification in the app. Powered by a CR2032 battery (battery not included). Features temperature compensation and smart scene automation compatibility with air conditioners and humidifiers to help maintain optimal indoor comfort. Specifications: Product name: Temperature and Humidity Sensor Battery type: CR2032 Temperature detection range: –10°C to +55°C Humidity detection range: 0%–95% RH Temperature accuracy: ±0.5°C Humidity accuracy: ±3% RH Wireless protocol: ZigBee Dimensions: 4 × 1.3 cm Material: ABS Color: White Package contents: 1 × Smart Temperature and Humidity Sensor Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.