BAY15D LED Headlight 5 to 30 Volts. Non Polarity. Dual Filament. High beam up to 1800 Lumens. Low beam up to 1100 Lumens. Uses approximately .8 Amp for low beam. For high beam around 1.5 Amp. Made of aircraft aluminium to help keep the leds cool so the last longer. The base is 15 mm diameter. One bayonet is offset BAY15D base. There are two contacts on the bottom for low and high beam. Operates from 5 to 30 Volts which works good for older Fords that are 8 Volt. Helps your generator or alternator by using 80% less power than a incandescent or halogen bulb. Comparable to a 55 Watt halogen for low beam and 65 Watt for high beam. Made with high power led for long life. Operates in a wide voltage constant current meaning that this lamp will draw the same amps for wide range from 5 to 30 Volts. Available in 6000K - 65000K. CE and Rohs.