... H3, H4, H6, H7) or dual beam (H4 Hi/Lo), socket types, 3,plus a digital 35 watt 12 volt slimline ... high temperature-risitant, high voltage-resistant8) Cover: crystal glass tube of UV-CAT anti-ultraviolet9) Luminescence way: produced luminous by gases ... output frequency without Hertzian waves7.Self-developed and designed, strong function of the chip, build-in, Open Circuit Protection, Short Circuit ...