The universal AC DC power adapter is an adaptable device that supplies compatible electrical power in various formats to a variety of electronic gadgets. Its 4 main functions include converting supplied AC(Alternate Currents) electricity from wall sockets into the required DC(Direct Current) voltage levels for powering portable devices. This adapter offers a variety of features such as multiple voltage settings, overload protection and energy saving in design. Compact and convenient, this just might be the ideal traveling mate. Universal adapter useful Its 4 functions found applications in such devices as charging cell phones and laptops, portable printers and cameras or other small electronics. As long as the voltage matches up to what is required at a particular location where one finds oneself-in this case a travel adapter for any A-C source will do nicely!