Detailed Product Description

H4 dual bi-xenon bulb for H4 auto lighting system HID conversion kits,together with Cnlight ballasts,with optional can-bus function,can be fit for all kinds of cars and trucks.H4 dual bi-xenon bulbs,with two bulbs inside,perfectly solution of both high and low beam.H4 dual bi-xenon bulb.this kind of HID xenon bulb has two bulges inside, for hid lamp for HID auto lighting system