1Multiple Modes: Smart radiator valve provides multiple modes, vacation mode, comfort mode, window function, automatic mode, manual mode, energy saving mode. 2Applicable Scenes: Intelligent radiator valve is suitable for heating and central air conditioning temperature control in residences, shopping malls and hotels, and is a helper for intelligent living temperature control. 3Low Battery Alarm: With a low battery alarm function, radiator actuator valve will remind you when you turn it on, so you don't have to worry about the battery suddenly running out. 4Mobile APP Control: After connecting for Zigbee APP through the gateway, you can control the temperature through the mobile phone, which is smart and convenient. 5Temperature Range: Control accuracy is 0.5, temperature sensor is NTC (10k) 1%, working ambient temperature is 0~50C, default setting temperature range is 5~35C, display temperature range is1~70C.Item Type: Radiator Valve Material: ABS Color: As Pictures Shown Weight: Approx. 195g / 6.9oz Control Accuracy: 0.5 Temperature Sensor: NTC (10k) 1% Working Ambient Temperature: 0~50C Default Setting Temperature Range: 5~35C Display Temperature Range: 1~70C Product Size: Approx. 5.6x5.6x7.5cm / 2.2x2.2x3.0in Maximum Stroke: Approx. 4.5mm / 0.2in Thread Specification: M30x1.5mm 1 x Controller 1 x Manual 1 x RA Fixed Interface 1 x RAVL Fixed Interface 1 x RAV Fixed Interface 1 x Screw 1 x Nut2 x Interface Valve