Philips Halogen Lamp, Dimmable Double End Linear, 500T3Q/CL120V 12PK Designation, 500 W Wattage, 120 V AC, 4.17 A, Halogen Lamp, GX5.3 Lamp Base, R50 Shape, 9500 Lumens, 2000 hr Average Life, 100 CRI, 2900 K Color Temperature, Clear Lamp, 12 mm Dia x 117.6 mm L Dimensions