HID Replacement LED Bulb Bulb Dia 4 1/2 in Bulb Shape Cylindrical Bulb Style Low Bay Color Temperature 4200K High Pressure Sodium Wattage Equivalency 175 W Lumens 4 341 lm Light Technology LED Metal Halide Wattage Equivalency 175 W Shatter-Resistant Yes Voltage 120 to 277V AC Watts 50 W Length 7 3/4 in Bulb Base Type Mogul Screw (E39) Bulb Housing Polycarbonate Bulb Operating Position Universal Burning Color Rendering Index 80 Fan Cooling Active Cooling