... : live, record, playback, backup, network transmission, mobile phone surveillance4. Support backup with USB Flash Disk, ... pre-alarm recording function10. Support Email alarm11. Mobile phone surveillance (Win CE/Symbain/iPhone/Blackberry)12 ... 4CHDigital Zoom,PIPSupportsMultiplex OperationLive\display\Playback\Recording\Backup\Mobile phone Surveillance \Network simultaneouslyDisplay ResolutionPAL:D1(704 ...