Quartz Metal Halide HID Bulb Bulb Base Type Mogul Screw (E39) Bulb Dia 3 1/2 in Bulb Housing Glass Bulb Shape ED28 Color Rendering Index 65 Color Temperature 4000K Lumens 14 400 lm Light Technology Metal Halide Overall Length 8 1/4 in Shatter-Resistant No Voltage 132V Watts 175 W Bulb Beam Angle 360 Degrees Bulb Finish Clear Rated Life 10 000 hr Dimmable No For Enclosed Fixtures Yes Bulb Operating Position Universal Burning Trade Number M175UED28 High Output Yes