| 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) |
