Cooper Lighting - CLS 24RLN-LD5-45-UNV-L840-CD1-U 24R

2'x4' RLN Series, LED, 4500 Lumens, Standards lens, Universal Voltage 120-277V, 4000K, 0-10V Dimming driver, 1 Driver, Unit pack. Features: 48.0 IN Length 24.0 IN Width 3.5 IN Height; Available in 1' x 4', 2' x 2' and 2' x 4' recessed & surface versions; Fully luminous center panel; Advanced optical control; High performance efficacy up to 139 lumens per watt; Over 59% energy savings when compared to fluorescent troffers; Three CCT options: 3000K, 3500K and 4000K at 80 or 90CRI; Standard 0-10V dimming driver with Step-dim and Fifth Light options; 2x2: L94 at 60,000 hours 2x4: L93 at 60,000 hours with 5 year warranty