Miniature Lamp, 1651 S8/CL/5V/0.6A/BA15S, 3 W, 5 V, 0.6 A, BA15s Lamp Base, S8, 20 hr Average Life, Clear Lamp, C-2R, 25.4 mm Dia x 51 mm L, 28.6 mm Light Center Length, Standards/Approvals: ANSI 1651 Specified