SMAKN&reg; Waterproof DC/DC Converter 12V/24V Step Down to 6V/10A 60W Power Supply Module Widely used in Car device, such as LED Display, Hard Disk Player, MP3, DVD, GPS, etc, All epoxy sealed containers with Waterproof Housing; Used in vehicles, security systems, telecommunications, medical equipments, instruments etc Input range: DC 12V/24V/36V (8.5-40v),Output voltage:6V/10A/60W.High efficiency:&gt;93%.Reliable, low heat dissipation max. 40 C; With overload / over-current / over / low voltage protection, stable performance. Light compact, convenient to use and transport; Auto recovery