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| Model | DH-HCVR7204A-S2 | DH-HCVR7208A-S2 | |||
| System | |||||
| Main Processor | Embedded processor | ||||
| Operating System | Embedded LINUX | ||||
| Video | |||||
| Input | 4 channel, BNC | 8 channel, BNC | |||
| Standard | Analog | NTSC/PAL | |||
| HDCVI | 1080P/720P HDCVI Camera | ||||
| IP | Support 2ch 1080P/720P IP Camera | ||||
| Audio | |||||
| Input | 4 channel, RCA | ||||
| Output | 1 channel, RCA | ||||
| Two-way Talk | Reuse audio input/output channel 1 | ||||
| Display | |||||
| Interface | 1 HDMI, 1 VGA | ||||
| Resolution | 1920×1080, 1280×1024, 1280×720, 1024×768 | ||||
| Display Split | 1/4 | 1/4/8/9 | |||
| Privacy Masking | 4 rectangular zones (each camera) | ||||
| OSD | Camera title, Time, Video loss, Camera lock, Motion detection, Recording | ||||
| Recording | |||||
| Video/Audio Compression | H.264/G.711 | ||||
| Record Rate | Main Stream: | 1080P/720P/960H/D1(1~25/30fps) | |||
| Extra Stream | CIF/QCIF(1~25/30fps), D1(1~6/7fps) | ||||
| Bit Rate | 96~6144Kb/s | ||||
| Record Mode | Manual, Schedule(Regular(Continuous), MD), Stop | ||||
| Record Interval | 1~60 min (default: 60 min), Pre-record: 1~30 sec, Post-record: 10~300 sec | ||||
| Video Detection & Alarm | |||||
| Trigger Events | Recording, PTZ, Tour, Alarm out, Video Push, Email, FTP, Snapshot, Buzzer & Screen tips | ||||
| Video Detection | Motion Detection, MD Zones: 396(22×18), Video Loss & Camera Blank | ||||
| Alarm Input | 8 channel | 16 channel | |||
| Relay Output | 3 channel | ||||
| Playback & Backup | |||||
| Sync Playback | 1/4 | 1/4/9 | |||
| Search Mode | Time/Date, MD & 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 | ||||
| Backup Mode | USB Device/Internal SATA burner/Network | ||||
| Network | |||||
| Ethernet | RJ-45 port (10/100M) | RJ-45 port (10/100M/1000M) | |||
| Network Functions | HTTP, IPv4/IPv6, TCP/IP, UPNP, RTSP, UDP, SMTP, NTP, DHCP, DNS, PPPOE, DDNS, FTP, IP Filter, SNMP, P2P | ||||
| Max. User Access | 128 users | ||||
| Smart Phone | iPhone, iPad, Android, Windows Phone | ||||
| Storage | |||||
| Internal HDD | 2 SATA ports, up to 8TB | ||||
| Auxiliary Interface | |||||
| USB Interface | 2 ports(1 Rear), USB2.0 | ||||
| RS485 | 1 port, For PTZ control | ||||
| General | |||||
| Power Supply | DC12V/4A | DC12V/5A | |||
| Power Consumption | 15W(without HDD) | ||||
| Working Environment | -10°C ~+55°C / 10%~90%RH / 86~106kpa | ||||
| Dimension(W×D×H) | 1U, 375mm×285mm×55mm | ||||
| Weight | 2.35KG(without HDD) | ||||