| Specifications | 
| Video / Audio input |  
| Video compression | H.264 |  
| HD-TVI video input | 8-ch |  
| Video input interface | BNC (1.0 Vp-p, 75 Ω), PAL / NTSC self-adaptive |  
| IP input | 2ch(1080p@30fps) |  
| Audio compression | G.711u |  
| Audio input | 4-ch, RCA (2.0 Vp-p, 1 kΩ)(using the 1st channel of audio input) |  
| Two-way audio input | 1-ch, RCA (2.0 Vp-p, 1 kΩ) |  
| Video / Audio output |  
| HDMI/VGA output | 1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz |  
| Encoding resolution | Main stream: 1080P / 720P / VGA / WD1 / 4CIF / CIF |  
| Sub-stream: WD1(non-real-time) / 4CIF(non-real-time) / CIF / QCIF / QVGA |  
| Frame rate | Main stream: 1/16 fps ~ Real time frame rate |  
| Sub-stream: 1/16 fps ~ Real time frame rate |  
| Video bit rate | 32 Kbps-8 Mbps |  
| Audio output | 1-ch, RCA (Linear, 1 kΩ) |  
| Audio bit rate | 64 Kbps |  
| Dual-stream | Support |  
| Stream type | Video, Video & Audio |  
| Synchronous playback | 8-ch |  
| Playback resolution | 1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF |  
| Network |  
| Remote connection | 128 |  
| Network protocols | TCP/IP, PPPoE, DHCP, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI, UPnP™, HTTPS |  
| Hard disk |  
| SATA | 2 SATA interface |  
| Capacity | Up to 4TB capacity for each disk |  
| External interface |  
| Network interface | 1:10M / 100M self-adaptive Ethernet interface |  
| Serial interface | 1; standard RS-485 serial interface, half-duplex |  
| USB port | 2 × USB2.0 |  
| Alarm in/out | 8/4 |  
| General |  
| Power supply | 12V DC |  
| Power Consumption | ≤ 20 W |  
| Working temperature | -10 °C~+55°C(14°F ~ 131 °F) |  
| Working humidity | 10% ~ 90% |  
| Dimension | 445 x 290 x 45 mm(17.5" x 11.4" x 1.8") |  
| Weight | ≤ 2 kg (4.4 lb) |  |