Ultra thin 1.75'' height fits shallow plenums with room to spare. Standard and High Lumen models up to 7000 lumens. Up to 124 lumens per watt delivering up to 53% energy savings. Stock CCT available in 3500, 4000 and 5000K. 80 CRI standard with 90 CRI option. UNV driver and 0-10V dimming standard. Lumen maintenance L73, 60K hours. Superior optics ensure long life, smooth corner to corner illumination. Easy to install - wire and wire nuts included