Usage Tips:Product 1. Fit all kinds of combustible gas , fit 1/2 inch, 3/4 inch ,1 inch different models of old and , gas and water pipeline valves,. Easy installation, no need to change the design of the gas and water pipeline configuration , the user can install it yourself. 2. with automatic, manual clutch conversion . 3. the working environment : Temperature -10 ~ + 60 , humidity less than 95% 4. Automatically close the valve time : 8~12 seconds 5. The insulation resistance: more than 20M Dimensions : 100mm x 90mm x 70mm Rated voltage : DC12V , Rated power :1.2W The working voltage : DC12V-DC18V Torque : 10-30-40kg.cm The withstand voltage : DC600V Material: plastic+metal colour: black Package Contents: 1 x Electric Manipulator Valve(With Adjustable Clip) Only the above package content, other products are not included. 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.