HID Replacement LED Bulb, Bulb Dia. 3 in, Bulb Shape Cylindrical, Bulb Style Corncob, Color Temperature 3000K, 4000K, 5000K, High Pressure Sodium Wattage Equivalency 100 W, Lumens 2,450 lm, 2,560 lm, 2,610 lm, Light Technology LED, Metal Halide Wattage Equivalency 100 W, Shatter- Yes, Voltage 120 to 277V AC, Watts 18 W, Length 7 in, Bulb Base Type Mogul Screw (EX39), Bulb Housing Metal/Polycarbonate, Color Rendering Index 80, Fan Cooling Active Cooling, For Enclosed Fixtures Yes