Mercury Vapor HID Bulb Bulb Base Type Medium Screw (E26) Bulb Dia 2 1/8 in Bulb Housing Glass/Metal Bulb Shape BD17 Color Rendering Index 60 Color Temperature 3700K Lumens 3 200 lm Light Technology Metal Halide Overall Length 5 3/8 in Shatter-Resistant No Voltage Not Applicable Watts 50 W Bulb Beam Angle Not Applicable Bulb Finish Clear Rated Life 10 000 hr ANSI Code M110 Dimmable No For Enclosed Fixtures Yes Bulb Operating Position Universal Burning