... test9, Polarity protection test10,EMC anti-jamming testHID advantage:1,High brightness: three times lumunous flux as that of halogen ... for headlight protection4,Luminous flux:3,200lem5,Waterproof,dust resistant and anti-vibrationWarranty:1, the kit comes with 15 months ... any problem and we will be happy to assist within 1 working day5, Extended warranty can be negotiated High quality and low price ...