HID Bulb, Bulb Base Type Medium Screw (E26), Bulb Dia. 4 in, Bulb Housing Glass, Bulb Shape PAR30L, Color Rendering Index 91, Color Temperature 3000K, Lumens 2,400 lm, Light Technology Metal Halide, Overall Length 4 7/8 in, Shatter-Resistant No, Voltage Ballast Dependant, Watts 39 W, Bulb Beam Angle 30 Degrees , Bulb Finish Clear, Rated Life 15,000 hr, ANSI Code C130/O, Dimmable No, For Enclosed Fixtures No, Bulb Operating Position Universal Burning, Light Distribution Flood, Standards ANSI