Keystone burns in all its ballasts at the factory to help ensure long life
This energy saving
Edison LED light bulbs which deliver a perfect warm glow and old-world charm in a thoroughly modern design
Optimized for easy installation
27” integral flex whip included on each fixture
4PK 2X2 Backlit Troffer, 4400 Lumens, Wattage and CCT Selectable, 0-10V Dimming, 120-277V Product Category_LED Flat Panels and Recessed Troffer Lights Keystone burns in all itsThis indoor commercial LED Blacklit panel light is ideal for hotels, offices, retail outlets, restaurants, parking garages, storage rooms, conference rooms, education facilities, and more. FEATURES: Wattage Selectable: 20W 30W 40W Lumens: 4400LM CCT Selectable: 3500K 4000K 5000K CRI: 80 Voltage: 120 277V Warranty: 5 Year Limited Warranty Operating Temperature: 68F~104F Dimmable: 0~10V Dimming 50,000 Hours Rated Life Ratings: UL Listed, DLC Listed