All-aluminum 4ft LED ceiling-flush linear light. 50 Watt LED chips output 140 Lumens per Watt for a total 7,000 Lumen output. Fixture includes integrated LEDs, 120-277 Volt driver and a built-in power supply mounted to the back-left plate. Comes complete and ready to hang with just a simple three-wire connection needed for set-up. This fixture is also dimmable, available in Soft White (3500K) or Bright White (5000K) and can be used to replace 4 smaller fixtures!