This document describes the specifications of several Linux PC-based digital video recorder (DVR) models with varying channel capacities. The DVRs have H.264 hardware compression, support network backup over Ethernet, remote access via web browser, and features like motion detection recording and dual video streams.

1. Linux PC based DVR 4ch Video and Audio Input H.264 Hardware Compression Algorithm CIF/ 2CIF/ 4CIF record and 4CIF preview Support PDA and mobile phone (with GPRS function) browser Support POS machine connecting TV-output function PTZ (PELCO-D / PELCO-P) / No limiting for user number Other Function YES TV-out Function YES POS Machine Connecting Remote HDD / CD-RW / USB disk / Network Backup Device Use “admin” login remotely via IE or client software, then can set the parameter remotely Remote Set Optional from VBR&CBR, mainly sub stream Remote Stream IE6.0 or above / CMS / PDA / mobile phone (must support GPRS) Remote visit tool LAN, WAN by Ethernet 10M/100M/1000M model Network Remote Control Screen alarm / Sound alarm / E-mail alarm Output Type 4ch NC/NO relay Output 4ch NC/NO Inputs Alarm Play / Pause / Frame by frame / Fast forward / Fast backward / Snapshot Playback Function File list Playback / Time line playback Playback Model 4ch playback simultaneously Channel Number Playback Support VBR & CBR (main stream and sub-stream) Dual Stream Support for motion detection record (5s, 10s, 15s, 20s, 25s, 30s for optional) Pre-record Time Manual / Schedule / Motion detection / Alarm Record Model CIF(352*240) 120fps 2CIF(704*240) 120fps 4CIF(704*480) 60fps CIF(352*288) 100fps 2CIF(704*288) 100fps 4CIF(704*576) 50fps Resolution Record Partition area video mask / video loss alarm Other Parameter Support (channel name, font color, OSD position) OSD Function 704*480 704*576 Resolution 120fps 100fps Frame Rate GUI User Interface Preview 4ch BNC input Audio Input VGA (1024*768), TV-output Video Output 4ch BNC input Video Input Linux OS (Multi-tasking) OS H.264 Hardware Compression Compression System NTSC PAL EFDVR-04

2. Linux PC based DVR 8ch Video and Audio Input H.264 Hardware Compression Algorithm CIF/ 2CIF/ 4CIF record and 4CIF preview Support PDA and mobile phone (with GPRS function) browser Support POS machine connecting TV-output function PTZ (PELCO-D / PELCO-P) / No limiting for user number Other Function YES TV-out Function YES POS Machine Connecting Remote HDD / CD-RW / USB disk / Network Backup Device Use “admin” login remotely via IE or client software, then can set the parameter remotely Remote Set Optional from VBR&CBR, mainly sub stream Remote Stream IE6.0 or above / CMS / PDA / mobile phone (must support GPRS) Remote visit tool LAN, WAN by Ethernet 10M/100M/1000M model Network Remote Control Screen alarm / Sound alarm / E-mail alarm Output Type 8ch NC/NO relay Output 8ch NC/NO Inputs Alarm Play / Pause / Frame by frame / Fast forward / Fast backward / Snapshot Playback Function File list Playback / Time line playback Playback Model 4ch playback simultaneously Channel Number Playback Support VBR & CBR (main stream and sub-stream) Dual Stream Support for motion detection record (5s, 10s, 15s, 20s, 25s, 30s for optional) Pre-record Time Manual / Schedule / Motion detection / Alarm Record Model CIF(352*240) 240fps 2CIF(704*240) 240fps 4CIF(704*480) 120fps CIF(352*288) 200fps 2CIF(704*288) 200fps 4CIF(704*576) 100fps Resolution Record Partition area video mask / video loss alarm Other Parameter Support (channel name, font color, OSD position) OSD Function 704*480 704*576 Resolution 240fps 200fps Frame Rate GUI User Interface Preview 8ch BNC input Audio Input VGA (1024*768), TV-output Video Output 8ch BNC input Video Input Linux OS (Multi-tasking) OS H.264 Hardware Compression Compression System NTSC PAL EFDVR-08

3. Linux PC based DVR 12ch Video and Audio Input H.264 Hardware Compression Algorithm CIF/ 2CIF/ 4CIF record and 4CIF preview Support PDA and mobile phone (with GPRS function) browser Support POS machine connecting TV-output function PTZ (PELCO-D / PELCO-P) / No limiting for user number Other Function YES TV-out Function YES POS Machine Connecting Remote HDD / CD-RW / USB disk / Network Backup Device Use “admin” login remotely via IE or client software, then can set the parameter remotely Remote Set Optional from VBR&CBR, mainly sub stream Remote Stream IE6.0 or above / CMS / PDA / mobile phone (must support GPRS) Remote visit tool LAN, WAN by Ethernet 10M/100M/1000M model Network Remote Control Screen alarm / Sound alarm / E-mail alarm Output Type 12ch NC/NO relay Output 12ch NC/NO Inputs Alarm Play / Pause / Frame by frame / Fast forward / Fast backward / Snapshot Playback Function File list Playback / Time line playback Playback Model 4ch playback simultaneously Channel Number Playback Support VBR & CBR (main stream and sub-stream) Dual Stream Support for motion detection record (5s, 10s, 15s, 20s, 25s, 30s for optional) Pre-record Time Manual / Schedule / Motion detection / Alarm Record Model CIF(352*240) 360fps 2CIF(704*240) 360fps 4CIF(704*480) 180fps CIF(352*288) 300fps 2CIF(704*288) 300fps 4CIF(704*576) 150fps Resolution Record Partition area video mask / video loss alarm Other Parameter Support (channel name, font color, OSD position) OSD Function 704*480 704*576 Resolution 360fps 300fps Frame Rate GUI User Interface Preview 12ch BNC input Audio Input VGA (1024*768), TV-output Video Output 12ch BNC input Video Input Linux OS (Multi-tasking) OS H.264 Hardware Compression Compression System NTSC PAL EFDVR-12

4. Linux PC based DVR 16ch Video and Audio Input H.264 Hardware Compression Algorithm CIF/ 2CIF/ 4CIF record and 4CIF preview Support PDA and mobile phone (with GPRS function) browser Support POS machine connecting TV-output function PTZ (PELCO-D / PELCO-P) / No limiting for user number Other Function YES TV-out Function YES POS Machine Connecting Remote HDD / CD-RW / USB disk / Network Backup Device Use “admin” login remotely via IE or client software, then can set the parameter remotely Remote Set Optional from VBR&CBR, mainly sub stream Remote Stream IE6.0 or above / CMS / PDA / mobile phone (must support GPRS) Remote visit tool LAN, WAN by Ethernet 10M/100M/1000M model Network Remote Control Screen alarm / Sound alarm / E-mail alarm Output Type 16ch NC/NO relay Output 16ch NC/NO Inputs Alarm Play / Pause / Frame by frame / Fast forward / Fast backward / Snapshot Playback Function File list Playback / Time line playback Playback Model 4ch playback simultaneously Channel Number Playback Support VBR & CBR (main stream and sub-stream) Dual Stream Support for motion detection record (5s, 10s, 15s, 20s, 25s, 30s for optional) Pre-record Time Manual / Schedule / Motion detection / Alarm Record Model CIF(352*240) 480fps 2CIF(704*240) 480fps 4CIF(704*480) 240fps CIF(352*288) 400fps 2CIF(704*288) 400fps 4CIF(704*576) 200fps Resolution Record Partition area video mask / video loss alarm Other Parameter Support (channel name, font color, OSD position) OSD Function 704*480 704*576 Resolution 480fps 400fps Frame Rate GUI User Interface Preview 16ch BNC input Audio Input VGA (1024*768), TV-output Video Output 16ch BNC input Video Input Linux OS (Multi-tasking) OS H.264 Hardware Compression Compression System NTSC PAL EFDVR-16

5. Linux PC based DVR 20ch Video and Audio Input H.264 Hardware Compression Algorithm CIF/ 2CIF/ 4CIF record and 4CIF preview Support PDA and mobile phone (with GPRS function) browser Support POS machine connecting TV-output function PTZ (PELCO-D / PELCO-P) / No limiting for user number Other Function YES TV-out Function YES POS Machine Connecting Remote HDD / CD-RW / USB disk / Network Backup Device Use “admin” login remotely via IE or client software, then can set the parameter remotely Remote Set Optional from VBR&CBR, mainly sub stream Remote Stream IE6.0 or above / CMS / PDA / mobile phone (must support GPRS) Remote visit tool LAN, WAN by Ethernet 10M/100M/1000M model Network Remote Control Screen alarm / Sound alarm / E-mail alarm Output Type 16ch NC/NO relay Output 16ch NC/NO Inputs Alarm Play / Pause / Frame by frame / Fast forward / Fast backward / Snapshot Playback Function File list Playback / Time line playback Playback Model 4ch playback simultaneously Channel Number Playback Support VBR & CBR (main stream and sub-stream) Dual Stream Support for motion detection record (5s, 10s, 15s, 20s, 25s, 30s for optional) Pre-record Time Manual / Schedule / Motion detection / Alarm Record Model CIF(352*240) 600fps 2CIF(704*240) 600fps 4CIF(704*480) 300fps CIF(352*288) 500fps 2CIF(704*288) 500fps 4CIF(704*576) 250fps Resolution Record Partition area video mask / video loss alarm Other Parameter Support (channel name, font color, OSD position) OSD Function 704*480 704*576 Resolution 600fps 500fps Frame Rate GUI User Interface Preview 20ch BNC input Audio Input VGA (1024*768), TV-output Video Output 20ch BNC input Video Input Linux OS (Multi-tasking) OS H.264 Hardware Compression Compression System NTSC PAL EFDVR-20

6. Linux PC based DVR 24ch Video and Audio Input H.264 Hardware Compression Algorithm CIF/ 2CIF/ 4CIF record and 4CIF preview Support PDA and mobile phone (with GPRS function) browser Support POS machine connecting TV-output function PTZ (PELCO-D / PELCO-P) / No limiting for user number Other Function YES TV-out Function YES POS Machine Connecting Remote HDD / CD-RW / USB disk / Network Backup Device Use “admin” login remotely via IE or client software, then can set the parameter remotely Remote Set Optional from VBR&CBR, mainly sub stream Remote Stream IE6.0 or above / CMS / PDA / mobile phone (must support GPRS) Remote visit tool LAN, WAN by Ethernet 10M/100M/1000M model Network Remote Control Screen alarm / Sound alarm / E-mail alarm Output Type 16ch NC/NO relay Output 16ch NC/NO Inputs Alarm Play / Pause / Frame by frame / Fast forward / Fast backward / Snapshot Playback Function File list Playback / Time line playback Playback Model 4ch playback simultaneously Channel Number Playback Support VBR & CBR (main stream and sub-stream) Dual Stream Support for motion detection record (5s, 10s, 15s, 20s, 25s, 30s for optional) Pre-record Time Manual / Schedule / Motion detection / Alarm Record Model CIF(352*240) 720fps 2CIF(704*240) 720fps 4CIF(704*480) 360fps CIF(352*288) 600fps 2CIF(704*288) 600fps 4CIF(704*576) 300fps Resolution Record Partition area video mask / video loss alarm Other Parameter Support (channel name, font color, OSD position) OSD Function 704*480 704*576 Resolution 720fps 600fps Frame Rate GUI User Interface Preview 24ch BNC input Audio Input VGA (1024*768), TV-output Video Output 24ch BNC input Video Input Linux OS (Multi-tasking) OS H.264 Hardware Compression Compression System NTSC PAL EFDVR-24

7. Linux PC based DVR 32ch Video and Audio Input H.264 Hardware Compression Algorithm CIF/ 2CIF/ 4CIF record and 4CIF preview Support PDA and mobile phone (with GPRS function) browser Support POS machine connecting TV-output function PTZ (PELCO-D / PELCO-P) / No limiting for user number Other Function YES TV-out Function YES POS Machine Connecting Remote HDD / CD-RW / USB disk / Network Backup Device Use “admin” login remotely via IE or client software, then can set the parameter remotely Remote Set Optional from VBR&CBR, mainly sub stream Remote Stream IE6.0 or above / CMS / PDA / mobile phone (must support GPRS) Remote visit tool LAN, WAN by Ethernet 10M/100M/1000M model Network Remote Control Screen alarm / Sound alarm / E-mail alarm Output Type 16ch NC/NO relay Output 16ch NC/NO Inputs Alarm Play / Pause / Frame by frame / Fast forward / Fast backward / Snapshot Playback Function File list Playback / Time line playback Playback Model 4ch playback simultaneously Channel Number Playback Support VBR & CBR (main stream and sub-stream) Dual Stream Support for motion detection record (5s, 10s, 15s, 20s, 25s, 30s for optional) Pre-record Time Manual / Schedule / Motion detection / Alarm Record Model CIF(352*240) 960fps 2CIF(704*240) 960fps 4CIF(704*480) 480fps CIF(352*288) 800fps 2CIF(704*288) 800fps 4CIF(704*576) 400fps Resolution Record Partition area video mask / video loss alarm Other Parameter Support (channel name, font color, OSD position) OSD Function 704*480 704*576 Resolution 960fps 800fps Frame Rate GUI User Interface Preview 32ch BNC input Audio Input VGA (1024*768), TV-output Video Output 32ch BNC input Video Input Linux OS (Multi-tasking) OS H.264 Hardware Compression Compression System NTSC PAL EFDVR-32