4 ft, Lens Shape Tube-Style, 4000K, 5,541 lm, 135.1 lm/W, Max. Fixture Wattage 41 W, LED, Sensor Type No Sensor, Mounting Style Pendant, Stem, Surface, Linkable No, For Bulb Type Integrated LED, LED Replacement For 1 Lamp HID, 1 Lamp T5 HO, 2 Lamp T8, Bulb Included Yes, Dimmable Yes, ZL1D