LED Headlight

LEDs are efficient, react instantly and last a long time. They need cooling through heat sinks or small fans. Matrix LED headlights use many separately controlled LEDs to shape the beam. LED lights draw less power than halogen bulbs and switch on instantly, which also makes them common for brake lights and indicators.

A driver module controls current to the LEDs; lenses or reflectors form the beam pattern.

When an LED module fails, often the whole unit or module must be replaced. Fitting LED retrofit bulbs into halogen headlights may not be legal in many countries.