| Model | DS-7604NI-E1/4P | |
| Video/Audio input | IP video input | 16-ch |
| Two-way audio | 1-ch, RCA (2.0 Vp-p, 1kΩ) | |
| Video/Audio output | Recording resolution |
6MP/5MP/3MP/1080P/UXGA/720P/VGA/4CIF/DCIF/2CIF/CIF/QCIF |
| CVBS output | 1-ch, BNC (1.0 Vp-p, 75 Ω) Resolution: 704 × 576 (PAL); 704 × 480 (NTSC) |
|
| HDMI output | 1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz | |
| VGA output | 1920 × 1080 / 60 Hz,1280 × 1024 / 60 Hz, 1280 × 720 / 60 Hz, 1024 × 768 / 60 Hz | |
| Audio output | 1-ch, RCA (Linear, 1KΩ) | |
| Playback resolution |
720P / VGA / WD1 / 4CIF / CIF / QVGA / QCIF |
|
| Synchronous playback | 16-ch | |
| Hard disk | SATA | 2 SATA interfaces for 2 HDDs |
| eSATA | 1 eSATA interface | |
| Capacity | Up to 4 TB capacity for each disk | |
| External interface | Network interface |
1RJ-45; 10/100/1000Mbps self-adaptive Ethernet interfaces |
| Serial interface |
1RS-485 interface, 1 RS-232 interface, 1 RS-485 keyboard interface |
|
| USB interface | 1 x USB 2.0 and 1 x USB 3.0 | |
| Alarm in | 4-ch | |
| Alarm out | 4-ch | |
| Others | Power supply | 100~240VAC |
| Consumption (without hard disk or DVDR/W) |
≤ 15W | |
| Working temperature | -10 ~ +55 oC(14oF ~ 131 oF) | |
| Working humidity | 10 % ~ 90 % | |
| Chassis | 19-inch rack-mounted 1Uchassis |
| Dimensions (W × D × H) |
445× 290× 45mm | |
| Weight | ≤ 1Kg |