... PAL) • Pentaplex: Live, Record, Playback, Back-up and Network at the same time • Backup: CD-RW (Option: DVD ... , Firmware Upgrade and Event (Alarm, Motion) Notification • Full duplex two way audio transmission Specifications: ItemsSpecificationsModel NameDV-2108Compression StandardH ... or ClosedAlarm ModeSensor Input, Motion Detection, Video Loss, Full Disk Space.NetworkEthernet (10/100M ),LAN,WAN and ...