DC 12V/DC 24V Step down to 5V 3A 15W Car Voltage PSU Converter Regulator Module for GPS, LED, MP3,Mobile DC ... 12V/DC 24V Step down to 5V 3A 15W Car Voltage PSU Converter Regulator Module for GPS, LED, MP3,MobileDescriptionUse synchronous ... circuit auto protection, and can return to normal conditions in the work. The item used in automotive, posts and telecommunications, communications, electricity ...