Digiten Dc 6V 5-11V To 12V 10A Step Up Converter Regulator Waterproof Boost Power ModuleWidely used in Car device, such as LED Display, Hard Disk Player, MP3, DVD, GPS, etc, Industry grade DC 6-11V to 12V step-up converter. More than 90% power conversion efficiency. Built-in over/under voltage input, overload, overhead, and short circuit full prote..