... alone DVR -H.264 compression -Support Mobile -Audio,Alarm,VGA,USB,remote control,internet 4CH H.264 Standalone Camera cctv DVR Features: ... the operation of recording, playback, network transmission, backup, mobile control and interface operation 3.Two USB ports, two are ... to support Window Mobile, Symbian, Android, iPhone, BlackBerry.Spec; AS-8104A AS-8108BWide usage: 4CH H.264 CCTV DVR Stand alone ...