4 ft, Lens Shape Architectural, 5000K, 8,880 lm, 120 lm/W, Max. Fixture Wattage 74 W, LED, Sensor Type No Sensor, Mounting Style Surface, Linkable No, For Bulb Type Integrated LED, LED Replacement For 4 Lamp T8, Bulb Included Yes, Dimmable Yes, SHL