Valve Size: 1/2'' to 1'' Material: brass Volt: 3-6V,12V,24V,220V Using Life:100,000 times ... samll equipment Metal gear Voltage : DC3-6V,12V,24V,220V Open/close time: 3-5 sec Extra ... less 100mA Protection : IP65 Technical paremeters: Size: 1/2'' to 1'' Material: brass Max working pressure:1. ... follwing diagrams electric water valve,1/2'' to 1'' brass valve,3-6V,12V,24V controlled with manual override