Tubular Ceramic Metal Halide T4, Bulb Base Type 2-Pin (G8.5), Bulb Dia. 11/20 in, Bulb Housing Glass, Bulb Shape T14, Color Rendering Index 85, Color Temperature 3000K, Lumens 1,750 lm, Light Technology Ceramic Metal Halide, Overall Length 3 3/8 in, Shatter- No, Voltage 100V, Watts 20.1 W, Bulb Beam Angle 360 Degrees , Bulb Finish Clear, Rated Life 20,000 hr, Dimmable No, For Enclosed Fixtures No, Bulb Operating Position Universal Burning