ZigBee temperature & humidity sensor can detect real-time temperature and humidity indoors, and it's convenient for you to check data or control the sensor in mobile APP. With alarm function, it's safer and more humanized for using. It's small and lightweight, suitable for home, office, shop, warehouse and more indoor places. Enjoy your smart home with it! Features: ZigBee temperature & humidity sensor can detect real-time temperature and humidity indoors. With alarm function, it's safer and more humanized for using. Compatible with 'SmartLife' APP, can be easily controlled by mobile APP. Current data check and 30 days of historical data storage. Intelligent linkage scene: add more than one device in APP by turn, creating intelligent scene to control smart home more flexibly. Mini size and concise appearance, portable and lightweight. Just place it on desktop or stick it to the surface via the double-sided adhesive tape. Easy to use, can be widely used in living room, bedroom, baby room, office, warehouse, shop, restaurant and more indoor places. CR2450 button battery powered, with low power consumption, long standby time. Easy to replace battery by removing the back cover. Unlike Wi-Fi temperature & humidity sensor, the ZigBee type is more stable to use for ZigBee gateway's wide compatibility to connect with more smart devices. Note: 1. A ZigBee wireless gateway is required for using this ZigBee temperature & humidity sensor. 2. Remove the battery insulation film inside the battery cover before use. Specifications: Color: White Material: ABS Wireless Technology: ZigBee 3.0 Transmission Frequency: 2.4GHz Wi-Fi Temperature Measuring Range: -10~50 (0.3 Accuracy) Humidity Measuring Range: 0-95% RH, No Condensation (3% Accuracy) APP Download: Compatible with SmartLife Built-in Battery: 3V CR2450 Item Size: 40 * 13mm / 1.57 * 0.51in Item Weight: 18g / 0.63oz Package Size: 6.3 * 6.3 * 1.7cm / 2.48 * 2.48 * 0.67in Package Weight: 25g / 0.89oz Package List: 1 * Temperature & Humidity Sensor 1 * Double-sided Adhesive Tape 1 * User Manual (English)