Eiko 4057K-10 PK Miniature Lamp, (Pack of 10) Metal-based lamps feature an industry-first, nickel-plated brass base which prevents corrosion and ensures performance 12.8/14 Volts, 2.23/0.48 Amps S-8 bulb and Plastic Wedge Double Filament base Average bulb life is 4000/10,000 hours Lumens 400/25