| Model |
DS-7604HI-Ss |
| Video/Audio input |
| Video compression |
H.264 |
| Analog video inputs |
4-ch, BNC(1.0Vp-p, 75Ω), PAL/NTSC adaptive |
| IP video input |
4-ch 4CIF/2-ch 720P/2-ch UXGA IP camera/dome |
| Composited video input |
Up to 6-ch (4-ch analog camera+ 2-ch 4CIF IP camera/dome) |
| Audio compression |
OggVorbis |
| Audio input |
1-ch, RCA (2.0Vp-p, 1kΩ) |
| Voice talk input |
1-ch, using audio input |
| Video/Audio input |
| Preview resolution |
PAL:704×576; NTSC:704×480 |
| VGA output |
1 VGA interface can support resolution: 1024x768/60Hz |
| Recording resolution |
4CIF/DCIF/2CIF/CIF/QCIF |
| Video output |
2-ch, BNC(1.0Vp-p, 75Ω) |
| Frame rate |
IP channel: 720P: 25(P)/30(N)
Analog channel: 4CIF/DCIF: 8fps; 2CIF: 16fps; CIF: 25(P)/30(N) |
| Video bit rate |
32Kbps~2Mbps, or user-defined (Max. 3Mbps for analog channel,
8Mbps for IP channel) |
| Audio output |
1 channel, RCA (2.0Vp-p, 600Ω) |
| Audio bit rate |
16kbps |
| Synchronous playback |
4-ch |
| Dual streams |
Yes |
| Hard disk driver |
| Interface type |
1 SATA interface |
| Capacity |
Each interface supports up to 2TB capacity |
| External interface |
| Network interface |
1, RJ45 10M/100M adaptive Ethernet interface |
| Serial interface |
1 RS-485 interface (for PTZ control) |
| USB interface |
2, USB2.0 |
| Alarm input |
4-ch |
| Alarm output |
1-ch |
| General |
| Power supply |
12VDC |
| Consumption |
≤20W (without HDD) |
| Working temperature |
-10°C~+55°C(14°F~131°F) |
| Working humidity |
10%~90% |
| Dimension |
315(W)×44.5(H)×230mm(D)(12.40"(W)×1.75"(H)×9.06"(D)) |
| Weight(without HDD) |
≤2500g (5.51lbs) |