2 ft x 4 ft, Lens Shape Center Basket, 3500K, 5,238 lm, 136 lm/W, LED, LED Replacement For 2 Lamp T8, Bulb Included Yes, For Bulb Type Integrated LED, Fixture Ballast Type No Ballast Required, Sensor Type Integral Sensor with Smart Driver, Max. Fixture Wattage 38.3 W, Color Rendering Index 80, 120 to 277V, Lighting Certification DesignLights Consortium (DLC) 5.0 Premium, Dimmable Yes, Emergency Battery Backup No, Series 2VTL4