HID Replacement LED Bulb, Bulb Dia. 4 1/4 in, Bulb Shape Cylindrical, Bulb Style Wall Pack, Color Temperature 3000K, 4000K, 5000K, High Pressure Sodium Wattage Equivalency 400 W, Lumens 14,500 lm, 15,400 lm, 15,700 lm, Light Technology LED, Metal Halide Wattage Equivalency 400 W, Shatter- Yes, Voltage 277 to 480V AC, Watts 110 W, Length 11 1/2 in, Bulb Base Type Mogul Screw (EX39), Color Rendering Index 80+, Fan Cooling Active Cooling, For Enclosed Fixtures Yes