3000K/3500K/4000K/5000K/6500K Adjustable Before Installation - No worry about ordering incorrect color temperature, each of our 2x4 LED light drop ceilings has a color switch on the driver box that you can adjust 5 CCT before installing. 30W/40W/50W/60W/72W Adjustable Before Installation - This LED panel light is wattage selectable meaning you can select between 30W, 40W, 50W, 60W, and 72W. At 130 lumens per watt, each wattage provides approximately the following amount of light: 30W=3900 Lumens, 40W = 5200 Lumens, 50W = 6500 Lumens, 60W = 7800, and 72W = 9360 Lumens. This wattage-changeable switch is also located on the side of the driver. Quick & Easy Installation - This 2x4 LED-Backlit Flat Panel is the perfect replacement for fluorescent troffers used in drop ceilings. Designed to fit in a conventional suspended grid ceiling for new construction or retrofit projects. These LED Flat Panel Lights are only 1.37 inches thick making them suitable for use in low-profile ceilings. Perfect for areas where you need bright, even light such as schools, universities, offices, churches, game rooms, and restaurants. Back-Lit Design to Ensure Will Not Yellow for a Long Time, Durable - The back-lit 2’x4’ panel light uses the latest optical technology to ensure no yellowing and darkening within fifty thousand hrs. Save material and labor costs. These LED Flat Panel Lights are 0-10V Dimmable and also have Smooth Dimmable capabilities from 10-100%. ETL Listed Assurance Quality, five Years Warranty - This LED Flat Panel Light is also IC and Damp Rated. Your satisfaction is our primary concern! This 2x4 LED-Backlit Flat Panel is the perfect replacement for fluorescent troffers used in drop ceilings. Designed to fit in a conventional suspended grid ceiling for new construction or retrofit projects, LED flat panels will save you time and money. Perfect for areas where you need bright, even light such as schools, universities, offices, churches, game rooms, and restaurants. This 2x4 LED Backlit Flat Panel is easy to install, just wire the fixture and lift into place in the drop t-grid ceiling. The LED panel weighs less and has a more compact design compared to fluorescent troffers which will save you time installing the fixture. The integrated LEDs mean you no longer have to change bulbs as the LEDs will last the life of the fixture. LEDs last 2-3 times longer than old fluorescent tubes and contain no harmful chemicals! Plus LED flat panels do not have a hinged door meaning no more dead bugs or debris in the lens! This LED panel light is wattage selectable meaning you can select between 30W, 40W, 50W, 60W and 72W At 125 lumens per watt, each wattage provides approximately the following amount of light: 30W = 3750 Lumens, 40W = 5000 Lumens, 50W = 6250 Lumens, 60W = 7500, and 72W = 9000 Lumens In addition to being wattage selectable, this LED panel light is also color tunable allowing you to select between 3000K, 3500K, 4000K, 5000K, and 6500K. With all of the different configurations available in this one light, it is extremely versatile to many different applications or customer preferences. There are surface (flush) mount kits available (sold separately) which will allow you to install this fixture flush to the ceiling rather than recessed in a drop t-grid ceiling.