... ballasts.So it is very important to choose high quality HID ballast correctly.This type adopt DSP chip and digital circuit ... ,EMS,FEDEX and ect.,by air or by sea.Our HID bulb: (single beam)H1,H3,H7,H8,H9,H10,H11 ... ) H4-3,9004-3,9007-3,H13-3 (helogen and xenon) H4-2,9004-2,9007-2,H13-2 (D series ... ,D3R,D4RColor temerature:3000-30000K Realibility and anti-interference canbus HID xenon ballast kit 35W/55W