uniquegoods 6V 12V 24V 28VDC 3A 80W DC Motor Speed Controller PWM Speed Adjustable Reversible Button Switch DC Motor Driver Reversing 1203BS Input supply voltage: 6V-28VDC Item size: 2.24*1.46*0.83 inches; Net Weight:1.87 ounces Duty Cycle adjustable: 0%-100%; Button switches included The maximum output power: 80W The maximum continuous output current :3A