HID Replacement LED Bulb, Bulb Dia. 3 3/4 in, Bulb Shape ED23-1/2, Bulb Style Corncob, Color Temperature 4000K, High Pressure Sodium Wattage Equivalency 150 W, Lumens 12,000 lm, Light Technology LED, Metal Halide Wattage Equivalency 250 W, Shatter- No, Voltage 277 to 480V AC, Watts 80 W, Length 7 3/4 in, Bulb Base Type Mogul Screw (EX39), Bulb Housing Metal/Polycarbonate, Color Rendering Index 70, For Enclosed Fixtures Yes