H1 High Bright AC HID Xenon Bulb, Directly Replacement All 35W 55W 12V 24V Headlights 5000K White H1

Why do you need to buy AC xenon bulbs, not DC ? No ones will tell you that DC xenon light is unstable, after instalation, let the car light shine on the wall, you will find the amazing facts "the light is shaking slightly", because AC xenon light is "DC Current input,AC current output", but DC xenon light is "DC Current input, DC current output", as we all know, AC current is more stable, so the AC bulb work more stable, and own longer lifespan. Feature: -Adopt standard tube pressure; -100% luminous within 3 seconds; -Light efficiency over 99.5%; -3 times brightness and service life than halogen bulbs; -Must connected to ballast, otherwise can not light up; -Just plug and play, direct replacement the old one, but recommend professional installation.