Fangrui Product Details Power Supply With Double Iron Silicon Aluminum 4 1.2mm Pure Copper Wire And Rao. 100v/210a Low Resistance Power Mos, High Power And High Current Input, Suitable For High Power Led Motors Have Input Mos Meter Protection, Dont Worry About Input After Burn Out The Power Supply With Over Current Protection And Short Circuit Protection Thickening Of The Radiator And Intelligent Temperature Control Cooling Fan Conversion Efficiency: Up To (efficiency And Input/output Voltage, Current, Pressure Related) Installation: 4pcs 3mm Screws Input Voltage: 8-60v Input Current: 20a Quiescent Current: 15ma Output Voltage: 12-80v Continuous Adjustable Output Current: 20a Max. Over 15a, Please Enhance Heat Dissipation (input And Output Pressure Related, The Greater The Pressure, The Smaller The Output Current) Constant Current Range: 0.5-20a Output Power = Input Voltage * 20a, E.g. Working Temperature: -40 To 85degrees Celsius(ambient Temperature Is Too High, Please Enhance Heat Dissipation) Working Frequency: 150khz No