| Video/Audio input |
| Video Compression: | H.264/MPEG4/MPEG2/MJPEG |
| Video input: | 4-ch, |
| | BNC (1.0 Vp-p, 75 Ω) |
| Audio compression: | G.711 |
| Audio input: | 4-ch, |
| | Line input interface |
| | (2.0 Vp-p, 1 kΩ) |
| Two-way audio: | 1-ch, 3.5 mm audio (2.0 Vp-p, 1 kΩ) |
| Video/Audio output |
| Audio output: | 1-ch, 3.5mm interface (Linear, 600 Ω) |
| Encoding resolution: | 4CIF/2CIF/CIF/QCIF |
| Frame rate: | H.264/MPEG4/MPEG2 encoding: 25 fps (P) / 30 fps (N); MJPEG encoding: 15 fps |
| Video bit rate: | 32 Kbps ~ 3072 Kbps, or user defined (Max. 8192 Mbps) |
| Audio bit rate: | 64 Kbps |
| Dual Stream: | Support |
| Stream Type: | Video/ Video&Audio |
| Network protocols |
| Protocols Supported: | IPv4/v6, HTTP, HTTPS, QoS layer3 DiffServ, FTP, SMTP, Bonjour, UPnPTM, |
| | SNMPv1/v2c/v3(MIB-II), DNS, DynDNS, hkDDNS, NTP, RTSP, RTP/RTCP,TCP, UDP, IGMP, ICMP,DHCP, ARP, SOCKSv4/v5, PSIA, OnVIF, HIKCGI, netFilter |
| Data storage |
| Type: | NAS, IPSAN, microSD |
| Capacity: | Up to 4 TB capacity for each disk, and 32GB for microSD storage |
| External interface |
| Network interface: | 1 RJ-45 10 M / 100 Mbps adaptive Ethernet |
| | interface (PoE) |
| Serial interface: | 1 RS-485, 1 RS-232 |
| Alarm in: | 4 |
| Alarm out: | 2 |
| General |
| Power supply: | 12 VDC, or PoE |
| Consumption: | ≤ 8W |
| Working temperature: | -10°C~+55°C(14°F~131°F) |
| Working humidity: | 10%~90% |
| Dimension(W×D×H): | 114 × 48 × 128 mm |
| Weight(without HDD): | ≤ 1 Kg |
