... designed, strong function of the chip, build-in, Open Circuit Protection, Short Circuit Protection, Under-Voltage Protection, Over-Voltage Protection , ... vehicle. 3)Shock and water-resistant design, short-circuit and open-circuit protection. 4)Awarded with E4 and ISO 9001 ... Hi/Low Voltage testing;•1000 times /one minute Open-Circuit-Testing;•EMC CISPK22 guard against hertzian waves. HID ballast ...