any device serving as a source of illumination

equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio

lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length

headlight that provides strong beam for use in foggy weather

Dipped-beam (also called low, passing, or meeting beam) headlamp provides a light distribution to give adequate forward and lateral illumination without dazzling other road users with excessive glare; this beam is specified for use whenever other vehicles are present ahead.

A car headlamp that provides a bright, centre-weighted distribution of light with no particular control of light directed towards other road users' eyes; as such, it is only suitable for use when alone on the road, as the glare it produces will dazzle other drivers.

equipment in a motor vehicle that provides electricity to start the engine and ignite the fuel and operate the lights and windshield wiper and heater and air conditioner and radio

lens composed of a number of small lenses arranged to make a lightweight lens of large diameter and short focal length