Rated voltage: 24V---48VRated Power: 200W ---800WUnder Voltage Protection : by your standardOver-current Protection: by your standard Match Motor: 60/120 degree Rating Power Waste: 5W Transfer Handle Voltage: 1.0-4.0V Brake Voltage: Low /--HighCircumstance Temperature: -20- 45 Dimension: 80*63*35mm Riding type: 1:1 power assist, Electric function, constant speed Adaptable vehicle: electric vehicle, such as E-bike, E-motorcycle, tricycle, quadricycle, electric cars. We could according to you request,custom the controller paremeter for you .Any color you can chooseCCC SGS ROHS CE