Brand N/A Model N/A Quantity 1 Color Black + gold Material Copper + zinc alloy + aluminum + plastic Features Can auto open / close valve after receive electric control signal then can auto adjust / distance control system parameters such as temperature flow and stress etc. English Manual/Spec Yes Other Seal material: neoprene; Liquid: water air oil; Control mode: open by power on and close by cutting off; Thread diameter: 1/2" DN15; Flow diameter: 16mm; Pressure resistant: 0~1MPA 0~10kg; Wire connection: two wires; Installation: w/ flowing direction; Power: 18W Packing List 1 x Valve (25cm cable) 1 x Chinese / English user manual