12.8/12.8 Volt - 15.0 Amps - T4 Bulb - DC Index Bayonet Base - 10 Pack
This H1157 T4 miniature indicator lamp operates at 50 watts and 12.8 volts. It has a dual, C-6 filament, DC Index Bayonet base, and an average life of 250 hours and 400 hours per filament, respectively.