With latest technology， this xenon HID light is waterproof and impact resistant so as to prolong its service time. Xenon lamp， made into non-filament style， has longer lifespan than other lamps. Additionally， HID light is triple as bright as the ordinary lights. Overall， it is a great replacement or a spare for you. Most electronic devices utilize an electrical ballast to limit the amount of current in an electric circuit. If you want to install a HID ballast， you should not miss our 9005=HB3 55W 5000K Car HID Xenon Lamps + Ultra-thin HID Ballast Set!                                    Features             Car light generation IV ballast & burner<br> 300% more light on road than halogen bulb<br> Long lifespan over 2500 hours<br> HID lamps with good color temperature will improve the performance of a car<br> It will bring you the unprecedented comfort and safe driving at night<br> Consist of 2pcs xenon lamps and 2pcs HID ballasts <br>                                                            Specifications             Input Voltage Range     DC 9V-24V    <br> Input Voltage Rating     DC 12V    <br> A Light Output Load     HID35W    <br> Output Power                             Package Includes            2 x Xenon HID<br>2 x 55W HID Ballast<br>