HID Replacement LED Bulb, Bulb Dia. 3 5/8 in, Bulb Shape Not Applicable, Bulb Style Wall Pack, Color Temperature 4000K, High Pressure Sodium Wattage Equivalency 175 W, Lumens 5,800 lm, Light Technology LED, Metal Halide Wattage Equivalency 175 W, Shatter-Resistant Yes, Voltage 100 to 277V, Watts 40 W, Length 8 1/2 in, Bulb Base Type Mogul Screw (EX39), Bulb Housing Plastic, Color Rendering Index 80, Fan Cooling Passive Cooling, For Enclosed Fixtures Yes, Lumen Selectable No