HID Replacement LED Bulb, Bulb Dia. 2 5/8 in, Bulb Shape ED17, Bulb Style Corncob, Color Temperature 5000K, High Pressure Sodium Wattage Equivalency 50 W, 70 W, 100 W, Lumens 4,000 lm, Light Technology LED, Metal Halide Wattage Equivalency 50 W, 70 W, 100 W, 175 W, Shatter- No, Voltage 120 to 277V AC, Watts 21 W, 35 W, 45 W, Length 5 1/2 in, Bulb Base Type Medium Screw (E26), Color Rendering Index 70, For Enclosed Fixtures Yes, Lumen Selectable Yes