2 ft x 4 ft Lens Shape Center Basket 4000K 4 226 lm 103 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 No Sensor Max Fixture Wattage 41 W Color Rendering Index 82 120 to 277V Lighting Certification DesignLights Consortium (DLC) 4.4 Dimmable Yes Emergency Battery Backup No Series 2AVL4