EiKo PR13 Miniature Automotive Light Bulb, EiKo Number 40086, 4.75V 0.5A, SC Miniature Flanged Base, B-3 1/2 Bulb, C-2R Filament, MOL 1.25", MOD 0.45", LCL 0.25", 28 Lumens 4.75 Voltage Rating, 0.5 Amps SC Miniature Flanged (P13.5s) Base B-3 1/2 Bulb, C-2R Filament 1.25"/31.8mm MOL, 0.45"/11.5mm MOD 0.25"/6.4mm LCL, 28 Lumens, 15 Hours Rated Life