switch USB twin socket,usb electrical switch sock,isolator switch socket 1.guangzhou factory 2.USB charger switch USB twin socket,usb electrical switch sock,isolator switch socketSwitch USB&twin socketIt ca be used for all kinds of vehiclesUSB port charge for Ipod,mobile phone,MP3,PMP,GPS, PDA in your car.If using it with 24V vehicle,please use with 24v products only.Do not use more than 5A of ...