①. The actuator has the characteristics of small size, high torque and long service life. ②. It adopts bidirectional control and can be according to different requirements. ③. Mirror: round air valve adopts motor, beautiful and reliable operation, low failure rate, the material of the valve body is made of mirror, resistance, high-grade appearance. ④. Can be equipped with a temperature controller: can be used with a series of thermostats, automatic switch, so that the controlled environment is effectively controlled, so that energy-saving comfort and no noise. ⑤. HVAC Air Duct Valve / Electric Air Duct Damper / Motorized Damper 125MM 220V ⑥. Outside diameter:125mm ⑦. Rated torque:1Nm ⑧. Power consumption: 4VA ⑨. Air valve angle:0°,90° ⑩. Power:220VAC ⑪. Life: 50,000 times ⑫. Both the valve opening and the valve closing need to be energized, and the actuator automatically shut off after completing an action. ⑬. An action time is about 10 seconds. ⑭. This damper is suitable for controlling the air volume from full flow to shut off. ⑮. The damper is constructed with polished stainless steel and come with aluminum valve plate. ⑯. It can work with thermostat, open and close automatically. ⑰. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! ⑱. Colour:Silver ⑲. Material:Stainless steel ⑳. Package Contents: ㉑. 1 * electric damper ㉒. Only the above package content, other products are not included. ㉓. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.