Features: 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. Specification: Item Type: Radiator ValveMaterial: ABSColor: As Pictures ShownWeight: Approx. 195g / 6.9ozControl Accuracy: 0.5Temperature Sensor: NTC (10k) 1%Working Ambient Temperature: 0~50CDefault Setting Temperature Range: 5~35CDisplay Temperature Range: 1~70CProduct Size: Approx. 5.6x5.6x7.5cm / 2.2x2.2x3.0inMaximum Stroke: Approx. 4.5mm / 0.2inThread Specification: M30x1.5mm Package List: 1 x Controller1 x Manual1 x RA Fixed Interface1 x RAVL Fixed Interface1 x RAV Fixed Interface1 x Screw1 x Nut2 x Interface Valve