Three color dimming refers to the use of switches to segment the color of a light, without a remote control, and controlled by a switch panel. Press the switch to change one light color and cycle through the three lights. Usage of three color dimming lights: Look at that type of LED light, one comes with a segmented controller and the other doesn't. Just one switch. Turn it on once, it's first gear. Turn it off immediately and then on again, it's second gear. Turn it off and then on again, it's third gear. Three color dimming: capable of adjusting three light colors, namely positive white light, natural light, and warm light, which means there are three fixed gears and the wattage is fixed. Easy to install and replace. It can be adjusted at various angles. Long service life without frequent replacement. New adjustable design range, the use of high quality light source. Ultra thin design, very suitable for sloping, shallow and other types of ceilings. Three color temperatures can be selected: daylight (6000-6500k)/natural white (4000-4500k)/warm white (2700-3200k). Energy saving and environmental protection, no mercury and other harmful substances. Suitable for shopping malls, living rooms, tv walls, restaurants, corridors, etc.