... Network 3>Support various types of mobile monitorin 4CH H.264 CCTV DVR with Mobile Access and USB (1)CPU:HI3515, Pure two ... (5)Duplex Voice talk back (6)Upgrade by USB,USB Backup ,Move HDD backup,USB-rw backup ,web backup(7)Multiplex Operation,Live ... remote menu setup (9)Support various types of mobile monitoring(iPhone,Windows Mobile,BlackBerry,symbian,Android)(10)CMS(11)1PCS SATA,Up ...