... manufacturer xenon HID factory(FCC,CE,EMARK APPROVAL with 6 years ),car HID xenon ballasts 35W-75W 35w ... , long lifespan, and low defect rate(<1%).6,Stable output frequency without Hertzian waves.7,Self ... Over voltage protection test. 5) Flash light concussion test. 6) Quakeproof capability test. 7) Cold & warm boot test ... HID factory(FCC,CE,EMARK APPROVAL with 6 years ),car HID xenon ballasts 35W-75W