... of our HID KIT passed the following tests:1, 6 hours continuous working aging test2, Connection circuit protection test3, ... Lack of voltage protection test5, Over voltage protection test6, Flash light concussion test7, Quakeproof capability test8, Cold, warm boot test9, ... over 3000hrs3,UV cut glass for headlight protection4,Luminous flux:3,200lem5,Waterproof,dust resistant and anti-vibration Warranty: ...