The 9012LL bulb is a single beam lamp that utilizes halogen technology. It has one filament and a P14.5s base. This bulb can be used as a replacement part for low beam headlights in various vehicles. It has a nominal power of 12 volts and 55 watts, producing around 1350 lumens and a color temperature of 3200 kelvins. The LL designation indicates that it has a longer life span than the standard 9012 bulb, lasting up to 2 years. The name 9012 is deciphered as follows: the first two digits (90) indicate the bulb type, while the last two digits (12) indicate the wattage. The 9012LL bulb is interchangeable with the standard 9012 bulb.