100% brand new and high qualityworking voltage:DC10v- DC 50VRated current:40A(Maximum output current)Control Motor Power:0.01-2000W,working voltage 12V:12V*40A=480W(max)working voltage 24V:24V*40A=960W(max)working voltage 36V:36V*40A=1440W(max)working voltage 50V:50V*40A=2000W(max)quiescent current:0.025APWM Regulation range:5-100%PWN Frequency:12khzPCB Size:90x51mm(inch:3.5"x2")Case size:105x55x40mm(inch:4"x2.2"x1.6")operating temperature:-20°~40°Quantity:1PC