Model |
DS-7204HQHI-SH |
DS-7208HQHI-SH |
DS-7216HQHI-SH |
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Video/Audio input |
Video compression |
H.264 |
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Analog and HD-TVI video input |
4-ch |
8-ch |
16-ch |
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BNC interface (1.0Vp-p, 75 Ω) |
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Supported camera types |
720P/25, 720P/30, 720P/50, 720P/60, 1080P/25, 1080P/30, CVBS |
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IP video input |
2-ch |
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Up to 1080P resolution |
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Audio compression |
G.711u, G.726, G.711a, G.722 |
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Audio input |
4-ch, RCA (2.0 Vp-p, 1 KΩ) |
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Two-way audio in |
1-ch, RCA (2.0 Vp-p, 1 KΩ) (using the 1st channel of audio input) |
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Video/Audio output |
HDMI / VGA output |
1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz |
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Encoding resolution |
Main stream: 1080P / 720P / VGA / WD1 / 4CIF / CIF |
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Sub-stream: WD1(non-real-time) / 4CIF(non-real-time) / CIF / QCIF / QVGA |
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Frame rate |
Main stream: 1/16 fps ~ Real time frame rate |
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Sub-stream: 1/16 fps ~ Real time frame rate |
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Video bitrate |
32 Kbps-10 Mbps |
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Audio output |
1-ch, RCA (Linear, 1KΩ) |
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Audio bitrate |
64 Kbps |
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Dual-stream |
Support |
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Stream type |
Video, Video & Audio |
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Synchronous playback |
4-ch |
8-ch |
16-ch |
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Playback resolution |
1080P / 720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF |
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Network management |
Remote connections |
128 |
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Network protocols |
TCP/IP, PPPoE, DHCP, EZVIZ Cloud P2P, DNS, DDNS, NTP, SADP, SMTP, SNMP, NFS, iSCSI, UPnP™, HTTPS |
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Hard disk |
SATA |
1 SATA interface |
2 SATA interfaces |
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Capacity |
Up to 6 TB capacity for each disk |
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External interface |
Network interface |
1; 10M / 100M / 1000M self-adaptive Ethernet interface |
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Serial interface |
1; standard RS-485 serial interface, half-duplex |
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Alarm in/out |
4/1 |
8/4 |
16/4 |
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USB port |
2 × USB2.0 |
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General |
Power supply |
12V DC |
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Consumption (without hard disks) |
≤ 15W |
≤ 30W |
≤ 45W |
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Working temperature |
-10 ºC ~+55 ºC (14 ºF ~ 131 ºF) |
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Working humidity |
10% ~ 90% |
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Chassis |
1U chassis |
380mm 1U chassis |
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Dimensions (W × D × H) |
315 × 242 × 45mm (12.4 × 9.5 × 1.8 inch) |
380 × 290 × 48mm (15.0 × 11.4 × 1.9 inch) |
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Weight (without hard disks) |
≤ 1.5Kg (3.3lb) |
≤ 2Kg (4.4lb) |