Metal Halide HID Bulb, Bulb Base Type Medium Screw (E26), Bulb Dia. 2 1/8 in, Bulb Housing Glass, Bulb Shape BD17, Color Rendering Index 65, Color Temperature 4000K, Lumens 14,000 lm, Light Technology Metal Halide, Overall Length 5 1/2 in, Shatter- No, Voltage 147V, Watts 175 W, Bulb Beam Angle 360 Degrees , Bulb Finish Clear, Rated Life 10,000 hr, ANSI Code M57/E, Dimmable No, For Enclosed Fixtures Yes, Bulb Operating Position Universal Burning, Indoor/Outdoor Usage Indoor/Outdoor