Item Type: ZIGBEE Radiator Valve_x000D_ Model: HY366 ZIGBEE_x000D_ Control Type: Temperature_x000D_ Control Mode: Intelligent temperature control regulator_x000D_ Measurement Object: Indoor temperature_x000D_ Temperature Sensor: NTC (10k) 1%_x000D_ Working Voltage: 2xAA batteries (not include)_x000D_ Working Environment Temperature: 0~50_x000D_ Temperature Control Accuracy: 0.5_x000D_ Set Temperature Range: 5-35_x000D_ Display Temperature Range: 1~70_x000D_ Size: Approx. 56(diameter) x 75mm / 2.2 x 3in_x000D_ Maximum Stroke: Approx. 4.5mm / 0.2in_x000D_ Thread Specifications: M30x1.5mm_x000D_ Must have for Tuya ZigBee wireless gateway hub-ZigBee wireless hub must be connected to the valves of many other for TUYA ZigBee smart products, and realize the entire link of smart home devices. Just add the gateway to the App, and then add your thermostatic radiator valve to connect to the gateway in the App_x000D_ Easy to install-nut connection installation method, simple and quick installation, convenient disassembly_x000D_ Suitable for radiator at houses, shopping malls, hotels