4 Channel Digital Video Recorder Hard Drive options from 160GB to 1TB D1Resolution 704 x 576 MPEG 4 compression 4 channel video 100fps recording capability (CIF) Triplex operation LAN connection with remote setup, PTZ and backup CDRW, USB and LAN Back-up Remote viewing and configuration over LAN/Internet connection 4 Ch Audio, two way 3 main monitor outputs - Composite, VGA, S-Video Email Alarm notification Hard Drive monitoring - SMART technology checks the status of HDDs and can predict hard drive failure before it happens Watchdog - monitors the system every 5 seconds and takes remedial action if required.         Operation Genuine Triplex Simultaneous recording, playback, network live view, playback, network remote setup. Frame rate unaffected Video In Channels 4   Connection BNC, 1.0Vpp composite 75 Ohms unbalanced   Video Loop out BNC, 1.0Vpp composite 75 Ohms unbalanced Audio In Channels 4 x RCA Display 3 Comp Video, S-VHS, VGA Spot Displays Channels 1Comp Video Audio Out Channels 1 External Alarm Inputs 4, NO or NC common ground   Outputs 1, SPOT relay Recording Video CODEC MPEG4   Resolution options for each channel SIF(352x288), 2 SIF 9704 x 288), D1 (704 x 576)   Maximum total frame rate 100FPS (SIF)   Image Quality Highest, High, Standard, Low   Pre-event Recording  5 Seconds   Frame Rate options for each channel 25, 13,  8, 6, 3, 2, 1   Schedule Per Channel, per hour, per day, week   Motion Detection 16 x 16 selectable grid, 10 levels of sensitivity   Covert Recording yes selectable per channel Playback Speed Forward/reverse/1x 2x 4x 8x 16x 32x 64x Archiving Storage CD-RW (DVD+RW Option), USB Memory Stick, Network Time Time Synchronisation Internet Time Server PTZ RS-485 Multi protocol, baud rate and speed control for each channel System Watchdog Yes, SMART Monitoring   System data backup/restore USB memory stick, remote client Network Connection RJ45, 10/100 Ethernet, DHCP, DDNS, 2 way audio Remote Client Client Software Remote configuration, PTZ   Email Notification Yes Storage Max capacity 1TB 2 x HDD Physical Dimensions 360 x 400 x 68 mm   Weight 4.5Kg without HDD