This is a fully equipped set consisting of 2pcs xenon lamps and HID ballasts. All made with highly superior material and with guaranteed craftsmanship， these gadgets ensure absolute safety during usage. Compared with other car lamps， xenon lamp boasts its non-filament design， which makes the lamp uneasy to malfunction. For the ballast， it is also a greatly manufactured device， with ultra-thin treatment， ensuring excellent stability and good performance. Buying this set is much economical than single purchase. Most of all， due to its compact size， it is quite easy for installation. Do have a try of H1 5000K 55W Car HID Xenon Lamps + HID Ballasts Set!                                    Features             New and in a good condition<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> Guaranteed high quality， stable performance and long service life <br>                                                            Specifications             Input Voltage Range     DC 9V-24V    <br> Input Voltage Rating     DC 12V    <br> Working Current     3.2A    <br> Startup Current     6A    <br> A Light Output Load     HID 35W    <br> Output Power                            Package Includes            2 x Xenon HID<br>2 x 55W HID Ballast<br>1 x Installation Manual<br>