TORCHSTAR DC 12V - 24V PWM Dimmer Knob ON/OFF Switch with Aluminum Housing, Single Channel 30A Dimming Controller for Single Color LED Strip Lights, 5050 3538 5630 light strips Compatible with DC 12V and 24V LED light application, single channel dimming controller for single color LED strip lights Max. Current rated at 30A, that is 360W@12V and 720W@24V 100% - 0 full range dimming capability and smooth dimming experience with rotatory knob, also works as ON/OFF switch High quality aluminum housing, heat resisting and shock resistant Easy install with the screw-in input and output terminals, pre-drilled mounting holes provides for fixed lighting projects