Ceiling lamp integrated with LED color changing technology for 5 color temperatures 2700K, 3000K,3500K,4000Kand 5,000K daylight to meet different demands in various applications with ease.It can also adjust the power(18W/21W/24W). This 16 in. LED Double Ring Flush Mount Ceiling Light is compatible with most modern dimmers in the market, suit with any room mood and compatible with most Junction boxes, you only need to connect the wiring on the back of the recessed ceiling light according to the installation guide, and then screw the light in and you are done. 1-person installation is easily achieved.