HID Replacement LED Bulb, Bulb Dia. 9 1/2 in, Bulb Shape High/Low Bay, Bulb Style High Bay, Color Temperature 4000K, High Pressure Sodium Wattage Equivalency 400 W, Lumens 18,619 lm, Light Technology LED, Metal Halide Wattage Equivalency 400 W, Shatter- Yes, Voltage 120 to 277V AC, Watts 140 W, Length 9 1/4 in, Bulb Base Type Mogul Screw (EX39), Bulb Housing Polycarbonate, Color Rendering Index 80, Fan Cooling Active Cooling, For Enclosed Fixtures Yes, Lumen Selectable No