Metal Halide HID Bulb, Bulb Base Type 2-Pin (G8.5), Bulb Dia. 1/2 in, Bulb Housing Glass, Bulb Shape T14, Color Rendering Index 81, Color Temperature 3000K, Lumens 3,100 lm, Light Technology Metal Halide, Overall Length 1 in, Shatter- No, Voltage 96V, Watts 39.1 W, Bulb Beam Angle 360 Degrees , Bulb Finish Clear, Rated Life 12,000 hr, ANSI Code C130/E, Dimmable No, For Enclosed Fixtures Yes, Bulb Operating Position Universal Burning, Indoor/Outdoor Usage Indoor/Outdoor