RioRand RRDC24125V10A50W DC to DC Converter Inverter (24V/12V to 5V 10A 50W Power Supply for Car Vehicle) Powered by RioRand Advanced Technology All epoxy sealed containers with Waterproof Housing; Non-isolated High efficiency: &gt;96%; Reliable, low heat dissipation max. 40 With overload / over-current / over / low voltage protection, stable performance Widely used in Car device, such as LED Display, Hard Disk Player, MP3, DVD, GPS, etc