... compression -Support Mobile -Audio,Alarm,VGA,USB,remote control,internet 4CH H.264 Standalone Camera cctv DVR Features: 1.Second-generation ... interface operation 3.Two USB ports, two are high-speed USB2.0 interface, you can mix backup and mouse 4.Powerful CMS ... , Symbian, Android, iPhone, BlackBerry.Spec; AS-8104A AS-8108BWide usage: 4CH H.264 CCTV DVR Stand alone with external network access ...