| Brand | Dahua |
| Model | NVR1104HS-W-S2 |
| System | |
| Main Processor | Industrial-grade embedded processor |
| Operating System | Embedded Linux |
| Operating Interface | Web; Local GUI |
| Audio and Video | |
| Access Channel | 4 channels |
| Network Bandwidth | |
| Wired mode | 40 Mbps incoming, 40 Mbps recording and 20 Mbps outgoing |
| Wireless mode | 16 Mbps incoming, 16 Mbps recording |
| Resolution | 6 MP; 5 MP; 4 MP; 3 MP; 2 MP; 720p; D1 |
Decoding Capability | 1-channel 6 MP@25 fps; 1-channel 5 MP@25 fps; 2-channel 4 MP@25 fps; 2-channel 3 MP@25 fps; 4-channel 1080p@25 fps |
| Video Output | 1 × VGA, 1 × HDMI (simultaneous) |
| Multi-screen Display | 1, 4 views |
| Third-party Camera Access | Onvif |
| Compression Standard | |
| Video Compression | Smart H.265; H.265; Smart H.264; H.264; MJPEG |
| Audio Compression | PCM; G711A; G711U; G726 |
| Network | |
| Network Protocol | HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; NTP; DHCP; DNS; Alarm Server;P2P |
| Mobile Phone Access | Android; iOS |
| Interoperability | ONVIF (profile T/S/G); CGI; SDK |
| Browser | Chrome; IE 9 or later; Firefox |
Recording Playback | Multi-channel Playback Up to 4 channels |
| Record Mode | Manual record; alarm record; motion detection record; schedule record |
| Storage Method | |
| Backup Method | USB device |
Playback Mode | Instant playback, general playback, event playback, tag playback, smart playback (motion detection) |
| Alarm | |
| General Alarm | Motion detection; privacy masking; video loss; PIR alarm |
| Anomaly Alarm | Camera offline; storage error; disk full; IP conflict; MAC conflict; login lock; cyber security exception |
| Alarm Linkage | Recording; snapshot; buzzer; log; preset; tour |
| Port | |
| Audio Input | 1 |
| Audio Output | 1 |
| HDD Interface | 1 SATA port, up to 16 TB. The maximum HDD capacity varies with environment temperature |
| USB | 1 front USB 2.0 port, 1 rear USB 2.0 port |
| HDMI | 1 |
| VGA | 1 |
| Network Port | 1 × RJ-45, 10/100 Mbps self-adaptive Ethernet port |
| General | |
| Power Supply | 12 VDC, 1.5 A |
| Power Consumption | Total output of NVR is ≤ 10 W (without HDD) |
| Net Weight | 0.824 kg (1.82 lb) |
| Gross Weight | 1.56 kg (3.44 lb) |
| Product Dimensions | 260.3 mm × 247.3 mm × 44.7 mm (10.25" × 9.74" × 1.76") (W × L × H) |
| Packaging Dimensions | 372 mm × 117 mm × 308 mm (14.65" × 4.61" × 12.13") (W × L × H) |
| Operating Temperature | –10 °C to +55 °C (14 °F to +131 °F) |
| Operating Humidity | 10%–93% (RH) |
| Installation | Rack or desktop |
| Warranty | 1 year |
- New 4.0 user interface.· One-click wireless pairing to IPCs.
- Automatic pairing to IPC in 120 s after boot-up under undisturbed conditions.
- Automatic cascading of IPCs for long-distance surveillance.
- 4–ch@1080P (25FPS), self-adaptive decoding capability.
- Supports mainstream cameras of ONVIF protocol.
- Smart H.265/Smart H.264
- VGA/HDMI simultaneous video output, maximum resolution of HDMI is 1080P.
- Remote configuration and management of IPCs, such as setting parameters, acquiring information and upgrading IPCs of the same model in batches.
- DHCP (Dynamic Host Configuration Protocol), HTTP (Hypertext Transfer Protocol), NTP (Network Time Protocol) and DDNS (Dynamic Domain Name System).