SUPERNIGHT Aluminium Case DC12V 8A Single Channel Knob Dimmer Controller For LED strip Bulb Lamp Light 5050 3528 5630 single color LED Strip DC 12V 8A single channel inline PWM mini led dimmer controller Widely used for SMD 3528 / 5050 /5630 / 5730 /3014 single color led strip, Not for RGB strip Easy install with the screw-in input and output terminals, pre-drilled mounting holes provides for fixed lighting projects Constand voltage and constand current output, can be connected with amplifiers to extend its load. 100% - 0 full range dimming capability and smooth dimming experience with rotatory knob, also works as ON/OFF switch