Quartz Metal Halide HID Bulb Bulb Base Type Mogul Screw (E39) Bulb Dia 7 in Bulb Housing Glass/Metal Bulb Shape BT56 Color Rendering Index 65 Color Temperature 4000K Lumens 170 000 lm Light Technology Metal Halide Overall Length 15 3/8 in Shatter-Resistant No Voltage Not Applicable Watts 1 500 W Bulb Beam Angle Not Applicable Bulb Finish Clear Rated Life 3 000 hr ANSI Code M48 Dimmable No For Enclosed Fixtures Yes Bulb Operating Position Universal Burning