Philips ALTO® Compact Fluorescent Lamp, Energy Saving Cluster, PL-C 26W/35/4P/ALTO 10PK Designation, 26 W Wattage, 80 VAC, 0.335 A, CFL-NI Lamp, 4-Pin G24q-3 Lamp Base, PL-C Shape, 1800 Lumens, 12000 hr Average Life, White, 82 CRI, 3500 K Color Temperature, 27.9 mm Dia x 163.9 mm L Dimensions