24v 36v 48v 60v 72v electric bicycle /scooter brushless dc motor controllerFeature:1)Rated voltage: DC24v 36v 48V 60v 72v2)Rated power: 250w-----3000W3)Max current: 15-120A4)Controller category: Brushless direct current5)Applicable model: electric bicycle,electric scooter,electric tricycle ,electric vehicle Function:1)Super low noise when start up2)Speed limited (selected)3)Under-voltage protection4)Over-current protection5)E-ABS bake6)Pedal Assistant (PAS)7)Water proof Functions can be customized as the customer's request.