Our this 12v 2a wall plug adapter is used for HD player, portable DVD, LCD TV, surveillance camera, access control, attendance machine, router, ADSL modem, switch, LCD display, LED light, mobile hard disk box, digital photo frame, portable DVD, audio, radio, printer, game console, signal receiver, tablet computer, signal controller, car fan, car humidifier, car shaver, car purifier, car refrigerator, etc.