Troffer 2'x4' 75 Watt UL, LED Panel Light, Dimmable, Cool White 4000k, 6150 Lumens, 8-Pack Uniform Super Bright Lighting. Dimmable (0-10V). Cool White 4000K with 6150 Lumens. Slim Profile 1/2 inch thickness, Ideal for Low Clearance Applications Includes electronic driver and suspension mounting kit. Complete with Junction Box ready for wiring. Installation Method: Recessed Mount, Ceiling Mount, Suspension, Wall Mount UL Certified. Energy efficient and virtually maintenance-free. Lifetime 50,000 hrs.