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| Product Specifications | |
| Model | DVR7604S |
| System | |
| Main Processor | High performance embedded microprocessor |
| Operating System | Embedded LINUX |
| System Resources | Pentaplex function: live, recording, playback, backup & remote access |
| Control Mode | Front panel, USB mouse, IR remote control, Keyboard, Network |
| Video | |
| Input | 4 channel, BNC (1.0Vp-p/75Ω) |
| Standard | PAL system (25 frames / sec) NTSC system (30 frames / sec) |
| Output | 1VGA, 1BNC(1.0Vp-p/75Ω) |
| Audio | |
| Input | 1 channel, BNC(200-2000mV 10KΩ) |
| Output | 1 channel, BNC(200-3000mV, 5KΩ) |
| Bidirectional Talk | Same with audio input channel 1 |
| Display | |
| Display Split | 1/4 |
| Resolution | 1280 ×1024, 1280×720, 1024×768, 720 × 576, 720 × 480 |
| Tour Display | Support |
| Privacy Masking | 4 self-defined four-sided zones for privacy masking for each camera |
| OSD | Camera title, time, video loss, camera lock, motion detection, recording |
| Recording | |
| Video/Audio Compression | H.264 / G.711 |
| Image Resolution | CIF(704×288/704×240)/CIF(352×288/352×240) |
| Encoding Speed | Main Stream: full 4CIF(25/30fps)/2ch@D1+2ch@CIF(25/30 fps)/full D1(12/15fps) |
| Extra Stream: CIF 352×288/ 352×240; QCIF 176×144/176×120 | |
| Bit Rate | 32~4096Kb/s |
| Image Quality | CBR, VBR(1~6 level, level 6 is the best) |
| Recording Mode | Manual, Schedule(Regular(Continuous), MD(Video detection: Motion detection, Camera blank, Video loss), Alarm), Stop |
| Recording Priority | Manual >Alarm >Motion Detection >Regular |
| Recording Interval | 1~120 min. (default: 60 min.), Pre-record: 1~30 sec., Post-record: 10~300 sec. |
| Video Detection & Alarm | |
| Trigger Events | Recording, PTZ movement, Tour, Alarm, Email, FTP, Buzzer & Screen tips |
| Motion Detection | Zones: 396(22×18), Sensitivity: 1~6 (level 6 is highest) |
| Video Loss & Camera Blank | Support |
| Alarm Input | No |
| Alarm Output | Alarm triggering screen tips, buzzer, e-mail |
| Playback & Backup | |
| Playback Channel | 4 |
| Search Mode | Time/Date, Alarm, Motion Detection & Exact search (accurate to second) |
| Playback Functions | Play, Pause, Stop, Rewind, Fast play, Slow play, Next file, Previous file, Next camera, Previous camera, Full screen, Repeat, Shuffle, Backup selection, Digital zoom(any size) |
| Backup Mode | Flash drive / USB HDD / USB CD/ Network download |
| Network | |
| Ethernet | RJ-45 port (10/100/1000M) |
| Network Functions | HTTP, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPOE, DDNS, FTP, Alarm Server |
| Remote Operation | Monitor, PTZ control, Playback, System setting, File download, Log information |
| Hard Disk | |
| Hard Disk | 1 SATA port, Max 2TB HDD supported |
| Space Occupation | Audio: 28.8MB/H, Video: 56~1800MB/H |
| HDD Management | HDD faulty alarm |
| Auxiliary Interface | |
| USB Interface | 2 ports, 1 for mouse control, 1 for backup |
| RS485 | PTZ control |
| Environmental | |
| Power Supply | DC12V/2A |
| Power Consumption | 8W (Exclude HDD) |
| Working Environment | 0°C ~+55°C / 10~90%RH / 86~106kpa |
| Dimension | 357×100×280mm (W × H × D) |
| Weight | Net weight:1.4Kg Gross weight:2.2kg (Exclude HDD) |
4ch stand alone DVR with H.264 dual-stream video compression,4 Channel D1 real-time preview ,