GE Multi-Vapor® Metal Halide Lamp, High Intensity Discharge, MVR175/U/MED Designation, 175 W Wattage, 540 VAC, Quartz Metal Halide Lamp, E26 Medium Screw Lamp Base, BD17 Shape, 13600 Lumens, 10000 hr Average Life, 65 CRI, 4000 K Color Temperature, Clear Lamp, Enclosed Fixture, 2.12 in Dia x 5.75 in L Dimensions