4 ft, Lens Shape Round, 4000K, 4,000 lm, 117.6 lm/W, Max. Fixture Wattage 34 W, LED, Sensor Type Occupancy Sensor, Mounting Style Surface, Linkable Yes, For Bulb Type Integrated LED, LED Replacement For 2 Lamp T8 32 W, Bulb Included Yes, Dimmable Yes, NWL