A full led headlamp is the one that uses led for lighting. A full led headlamp uses no halogen or incandescent bulbs but just depends up on the leds for lighting. A full led headlamp has been developed Cadillac. Full led headlamps are already in use in various other cares such as lexus and audi. The hallo full led headlamp has seven glass lenses. The low beam of this Full led headlamp is generated by five optical units.