HID Replacement LED Bulb, Bulb Dia. 10 1/4 in, Bulb Shape High/Low Bay, Bulb Style High Bay, Color Temperature 5000K, High Pressure Sodium Wattage Equivalency 1,000 W, Lumens 35,425 lm, Light Technology LED, Metal Halide Wattage Equivalency 1,000 W, Shatter- Yes, Voltage 120 to 277V AC, Watts 270 W, Length 12 1/2 in, Bulb Base Type Mogul Screw (EX39), Color Rendering Index 80, Fan Cooling Active Cooling, For Enclosed Fixtures Yes, Lumen Selectable No