... coherence.4,High luminance, match hid xenon auto light H1,H3,H4,H7,H8,H9,H11,H13,, ... , long lifespan, and low defect rate(<1%).6,Stable output frequency without Hertzian waves.7,Self- ... 16V open 9,Under-Voltage protection:lower than 6.5V closed,higher than 8.5Vopen10,Short-Circuit ... test. 4) Over voltage protection test. 5) Flash light concussion test. 6) Quakeproof capability test. 7) Cold & warm boot ...