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H.I.D. lighting systems deliver approximately 3 times the light output of conventional halogen headlamps, they consume only 35-watt per capsule (VS. halogen's 55-watt per bulb), and they have a life expectancy of 5 times longer (2500 - 3000 hours VS. 500 hr. or less). The luminous intensity and colour of HID is truly like harnessing the brightness of the sun. You will be able to see further and wider ahead of you.
What is H.I.D.?
H.I.D. stands for High Intensity Discharge. It refers to lighting technology that relies on an electrical charge to ignite xenon gas contained in a sealed bulb (capsule). HID lighting doesn't have a filament but instead creates light by igniting an arc between two electrodes. HID lights get their name from the intense white light produced by the electrical discharge. HID lamps are also called xenon lamps, referring to a gas inside the lamps.
Is HID new?
HID lighting has been gaining ground over the past several years. HID lighting systems were first offered as an option on high-end luxury cars and are currently offered as standard equipment on 7% of all European vehicles. HID made its North American debut in 1995 on the Lincoln Mark VIII and today, HID headlights are available in the U.S. as an option on several different high-end models. Although halogen is still used on the majority of vehicles manufactured today, HID will continue to make headway due to its safety and performance benefits. Kits for additional vehicle models are continually in development.
Why HID?
Xenon/HID headlamps are the best vehicle lighting currently available because they offer more light than conventional bulbs - and this in a quality similar to daylight. Some auto experts cite the almost complete darkness on isolated highways as a reason for why HID lighting is becoming popular. HID lights promote safety by providing a better overall view of the roadway and the ability to see upcoming objects quickly and more clearly. For example, road signs and objects on the road are easier to see when illuminated by HID headlights.
HID provides a better vision
It can be vital to see more in borderline situations. Because the risk of having an accident at night is about twice as high as during the day - despite the fact that there is less traffic on the road. The reason: humans are inadequately equipped to see at night or in poor weather conditions.
Bi-Xenon HID (Dual beam HID) (Hi/Lo HID)
There are three versions of H4 Bi-Xenon Kit (Hi/Lo).
Low Beam HID/High Beam Halogen:
This special dual-bulb version generates regular and high beams in one single base utilizing a HID capsule for the regular low beam and an H1 halogen for the high beam.
True Bi-Xenon Moving Mechanic:
This is a single-capsule that generates regular low beam & high beam using the HID capsule patterns. This is done by using a movable shutter. It is more expensive due to the required controllers as mentioned above. But one's eyes see a constantly agreeable light and do not have to continually re-adapt between the two colours/intensities/clarities. Moreover, apart from the setting mechanism for the shutter, additional expenditure for a separate headlamp with its own control electronics is no longer necessary. This saves energy, money, construction space and weight, and helps reduce fuel consumption.
True Bi-Xenon with 4 ballast:
4 ballast are required to power low beam and high beam at the same time. The H4 bulb contains 2 capsules inside instead of one, thus requiring 4 ballast to operate the 4 capsules. It is more expensive due to the 4 ballasts required to run low and high beams. But one's eyes see a constantly agreeable light and do not have to sacrifice low beam for high beam.
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