Tubular Ceramic Metal Halide T4, Bulb Base Type 2-Pin (G8.5), Bulb Dia. 1/2 in, Bulb Housing Glass, Bulb Shape T14, Color Rendering Index 83, Color Temperature 3000K, Lumens 6,300 lm, Light Technology Ceramic Metal Halide, Overall Length 3 3/8 in, Shatter- No, Voltage 87V, Watts 73.2 W, Bulb Beam Angle 360 Degrees , Bulb Finish Clear, Rated Life 12,000 hr, ANSI Code C139/E, Dimmable No, For Enclosed Fixtures No, Bulb Operating Position Universal Burning, Standards