... 12-key Infrared LED Light Dimmer 12/24VDC, 8A For 12/24V single color LED lights long lifespan, low consumption 12-key Infrared LED DimmerSummarization 12-key ... to control a variety of led lamps as the light source, For instance, point source of light, flexible light strip, wall washer lamp, ... brightness; knob counterclockwise rotation will decrease the brightness. 12-key Infrared LED Light Dimmer