dia 20mm dc gear motor valve motor,toy motor,vehicle-lock motor voltage of motor 12v dc dia 20mm,dia of shaft 4mm hihg torque,low noice speed 1 to 300 rpm used for toy,tooshbrush,door-lock,valve Specification Model VoltageVNo LoadAt Maximum EfficiencyStallSpeedr/minCurrentASpeedr/minCurrentATorquemNmOutputWTorquemNmCurrentAJL-20A130-31122900.042200.1221.50.4989.20.41JL-20A130-25012300.04240.111470.377350.47 Please feel free to contact with me TEL: 86-574-88189257 Website:www.kinglymotor.com