LED Retrofit Kit, Lumens 3,100 lm, Lumens Range 2000 to 3,999 lm, Light Technology LED, 120-277V AC, Lighting Certification DLC 5.0 Premium, DLC QPL, ENERGY STAR, Dimmable Yes, Emergency Battery Backup No, For Bulb Type LED Strip, Overall Length 31 in, Overall Width 23 27/32 in, Color Rendering Index 80, Color Temperature 4000K, Dimming Method SWZDT, Kit Contents Integral Wireless Controls, LED Replacement For 3 Lamp T8, Lamp Quantity 1, Lumens per Watt 155 lm/W, Max. Fixture Wattage 20 W