Detailed Product Description 1) Bulb sizes available:Single beam Bulb: H1, H3, H4, H4 (H/L), H7, H8, H9, H10, ... , morewidely, father, make your car be safer4 Good color temperature: 4,300-12,000K5 Longevity life: more than 3,000 hours6 ... of vehicles7 Installation convenience: you only need insert the HID bulb into the originallamp hole, fix ballast and connect the cable ...