Estoreimport &copy; Dc/dc Converter 12v Step Down to 5v USB Female Plug 15w Waterproof Power Supply DC 12V to 5V 3A 15W Step down Converter Regulator female Panel mount USB for car Module Properties: non-isolated buck Rectification: synchronous rectification Light compact, convenient to use and transport Package Include: 1 x DC12v to 5v 15W Converter