HID headlight, or High intensity discharger, is the upgraded lighting system for your original halogen headlight, it comes with many decent features compared to the halogen lights. The main advantages are the high light intensity provided by the HID lamps and a low power consumption. HID lights are getting more and more popular for automotive car headlight system, most of the new car models are equipped with the HID lamps, and it seems that the HID lights will keep replacing the original halogen lights in the future.

As mention above that the HID lights can provide a higher light intensity with a lower power consumptions.

Motorcycle HID Xenon Conversion Kits , the common bulb sizes are H1, H3, H4-1, H4-2, H4-3 and H7.

Easy installation with manual, 1 year warranty for all motorcycle hid kits

The pictures below are for reference

Bulb for H4-2 with High /Low HID for low beam and halogen bulb for high beam

Bulb for H4-3 -Single HID bulb can switch between High beam and Low beam