2 ft x 4 ft, Lens Shape Center Basket, 4000K, 4,086 lm, 129 lm/W, LED, LED Replacement For 3 Lamp T8, Bulb Included Yes, For Bulb Type Integrated LED, Fixture Ballast Type No Ballast Required, Sensor Type No Sensor, Max. Fixture Wattage 31.7 W, Color Rendering Index 82, 120 to 277V, Dimmable No, Emergency Battery Backup No, Series 2FSL4