Condition: Brand New Item Type: Thermostatic Valve Material: Plastic Thermostat Power Supply: 3 x AA 1.5V Alkaline Batteries (Not Included) Maximum Current: 90mA Working Temperature: -10~60℃ Display Accuracy: 0.5℃ Standard Temperature Control Range: 5~35℃ Probe Sensor: NTC (10k) 1% Temperature Display Range: 0~70℃ Thread Type: M30x1.5 Thread Thread Length: Approx. 0.5cm / 0.2in Insulation State: Normal Environment Running Program: Set Once a Week Maximum Route: 4.5mm Fitment: Fit for Tuya Gateway Hub Application: Heating Device, Central Air Conditioning Temperature Control, Room Temperature Control Type: Common Type, for Zigbee Type (optional) Screen Size: Approx. 40 x 30mm / 1.57 x 1.18 in Product Size: Approx. 52 x 66 x 100 mm / 2.05 x 2.60 x 3.94 in Weight: Approx. 218g / 7.7oz 1、Constant temperature heat sink valve is a special valve used in conjunction with heating heat sink. 2、The flows through the heat sink can be adjusted without external hot water to achieve a constant room temperature. 3、It is suitable for the electric drive parts of electric heating actuators for branch valves, small valves and dynamic balancing valves. 4、The nut connection installation method is simple and quick to install and easy to disassemble. Use water valve directly instead of installing actuator and temperature control valve. 5、For Zigbee wireless hub is a must?have device connected to the valve, and various for Zigbee products, it is the control center of the home. 1 x Controller (Battery Not Included) 1 x Screw 1 x Nut 5 x Accessories 1 x Instruction Manual