1X4 Flat Panel Light is designed specifically for surface mount and drop ceiling applications plus, you can change the color temperature with a flick of a button. The integrated color changing switch is located on the side of the fixture so you can choose between a 3000K, 4000K or 5000K temperature to best suit your needs. 3000K is perfect for relaxing, 4000K is the ideal choice for everyday affairs and 5000K is great for task lighting in a basement, hallway or work area. ENERGY STAR certified, IC rated and LED integrated, this light won't overheat and will last for years to come - 50 000-hours or approximately 34-years if used for 4-hours per day to be exact.