... 1% 4.Life Span>3,200hours New hid ballasts12V/24V Specifications 1.HID manufacturer of China; 2.Advance technology; 3 ... high quality;4.12V/24W,35W/55W ;5.High qualty HID ballasts ;6.Failure rate:less than 1% ;7. ... 3,200hours;8.Warranty time :18months.High quality AC hid ballasts:1.12V/24W,35W/55W2.High qualty Slim ... AC HID ballast3.Failure rate:less than 1%4.Life Span ...