| Video Compression: | H.264 |
| Video input: | 4-ch,BNC (1.0Vp-p, 75Ω), support PAL, NTSC |
| Audio compression: | OggVorbis, 16Kbps |
| Audio input: | 4-ch,BNC (2.0Vp-p, 1kΩ) |
| Two-way audio: | 1-ch, RCA (2.0Vp-p, 1kΩ) |
| Audio output: | 1 channel RCA(Linear electrical level, 600Ω) |
| Encoding resolution: | 4CIF/DCIF/2CIF/CIF/QCIF |
| Frame rate: | 4CIF/DCIF/2CIF: 4fps, CIF: 25fps(PAL) / 30fps(NTSC) |
| Video bit rate: | 32Kbps ~ 2Mbps, or user-defined (Max. 8Mps) |
| Dual Stream: | Support |
| Stream Type: | Video/ Video&Audio |
| Network interface: | 1 RJ-45 10 M / 100 M /1000 Mbps adaptive |
| | Ethernet interface |
| Serial interface: | 1 RS232 interface, 1 RJ45 interface, and 1 RS485 |
| | interface |
| SATA interface: | 1 SATA interface |
| Alarm in: | 4-ch |
| Alarm out: | 2-ch |
| Power supply: | 110-240VAC, 47~63Hz |
| Consumption: | ≤30W (without HDD) |
| Working temperature: | -10°C~+55°C(14°F~131°F) |
| Working humidity: | 10%~90% |
| Dimension(W×D×H): | 225(D)x78(H)x350mm(W)(8.87"(D)x3.07"(H)x13.79"(W)) |
| Weight(without HDD): | ≤3500g(7.72lbs) |
