ITEM NAME:12V 30A Adjustable LED Dimmer Knob Controller for Single Color Strip Lig JAV.Input current: 0-30A less than 30A. Power: 12V 360W watt (W) 24V 720 watt minimum power greater than 1 watt. We'd like to settle any problem in a friendly manner. PWM digital darkening, avoid impulse current, protect your LED lamp.