HID Replacement LED Bulb, Bulb Dia. 5 5/8 in, Bulb Shape BT56, Bulb Style Corncob, Color Temperature 4000K, High Pressure Sodium Wattage Equivalency 750 W, Lumens 65,000 lm, Light Technology LED, Metal Halide Wattage Equivalency 1,000 W, Shatter-Resistant No, Voltage 277 to 480V, Watts 450 W, Length 12 1/4 in, Bulb Base Type Mogul Screw (EX39), Bulb Housing Metal/Polycarbonate, Color Rendering Index 70, Fan Cooling Active Cooling, For Enclosed Fixtures Yes, Lumen Selectable No