4 ft, Lens Shape Flat, 3500K, 4,000 lm, 121.8 lm/W, Max. Fixture Wattage 35.3 W, LED, Sensor Type No Sensor, Mounting Style Surface, Suspended, Linkable No, For Bulb Type Integrated LED, LED Replacement For 2 Lamp T5 HO, 2 Lamp T8, Bulb Included Yes, Dimmable Yes, CSS