The 200 per cent-brighter Halfords Advanced bulb managed an improvement of 185 per cent in the FOM assessment over the ...

HID bulbs, also known as xenon bulbs, produce a bright, white light that is similar to daylight. They are more expensive than halogen bulbs but are significantly brighter and have a longer lifespan.

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All the bulbs tested were H4 double-filament specification: halogen headlamp bulbs that ... It projected light furthest, with the brightest beam. Furthermore, it was streets ahead of rivals ...

Different lighting technology has its pros and cons. If you're looking for affordability, go with halogen; for brightness, choose xenon. LEDs provide efficiency and durability. Projector setups give ...