... test3, Shot circuit protection test4, Lack of voltage protection test5, Over voltage protection test6, Flash light concussion test7, Quakeproof capability test8 ... times lumunous flux as that of halogen lamp2,Long lifetime: over 3000hrs3,UV cut glass for headlight protection4,Luminous flux:3 ... assist within 1 working day5, Extended warranty can be negotiated High quality and low price hid kit