DHI-NVR4104HS-4KS3 is a compact 4-channel network video recorder that brings advanced AI-powered analytics to small and mid-sized surveillance deployments. Built with an industrial-grade processor and embedded Linux operating system in a space-saving 1U design, this model steps up from basic motion detection into a much richer set of intelligent features.
The DHI-NVR4104HS-4KS3 supports IP camera resolutions up to 12MP across 4 channels, with network bandwidth of 80 Mbps incoming, 80 Mbps recording, and 60 Mbps outgoing. Decoding capability reaches up to 8 channels at 1080p@30fps, giving flexible viewing options for mixed-resolution camera setups.
What sets the DHI-NVR4104HS-4KS3 apart is its expanded AI toolkit. Beyond built-in SMD (Smart Motion Detection) processed by the recorder itself, it supports camera-based face detection with attribute recognition including gender, age group, glasses, expressions, and face masks, plus face recognition across all channels. It also handles perimeter protection, people counting, stereo analysis, and heat mapping when paired with compatible cameras — features typically reserved for higher-tier recorders.
SMD Plus adds a further layer of accuracy, applying secondary filtering across 4 channels to separate genuine human and vehicle movement from false triggers like leaves, rain, or changing light. This significantly reduces nuisance alerts compared to standard motion detection alone.
Video compression relies on Smart H.265+, H.265, Smart H.264+, and H.264 codecs to manage storage efficiently. The unit includes one SATA HDD bay supporting drives up to 20TB, with backup available through USB device or network. For camera compatibility, the DHI-NVR4104HS-4KS3 goes beyond standard ONVIF support to include native integration with Panasonic, Sony, Axis, Arecont, Pelco, Canon, and Hanwha cameras.
Video output includes simultaneous HDMI and VGA up to 4K (3840×2160) resolution, with dual main/sub-screen display options. Remote access is available through the P2P protocol with dedicated iOS and Android mobile apps.
Compact at just 0.81kg, the DHI-NVR4104HS-4KS3 operates reliably across a -10°C to +55°C range and carries CE certification. It’s a strong choice for users who want facial recognition and people-counting analytics without stepping up to an enterprise-grade recorder.
DHI-NVR4104HS-4KS3 System
| Feature | Specification |
| Main Processor | Industrial-grade processor |
| Operating System | Embedded Linux |
| Operating Interface | Web, Local GUI |
DHI-NVR4104HS-4KS3 AI & Analytics
| Feature | Specification |
| AI by Recorder | SMD Plus |
| AI by Camera | Face detection, face recognition, perimeter protection, SMD, people counting, stereo analysis, heat map |
| Perimeter Protection (Camera AI) | 4 channels |
| Face Detection Attributes | Gender, age group, glasses, expressions, face mask, beard |
| Face Detection Performance (Camera AI) | All channels (4 targets/s) |
| Face Recognition Performance (Camera AI) | All channels (4 targets/s) |
| SMD Plus by Recorder | 4 channels: Secondary filtering for human and motor vehicle, reducing false alarms caused by leaves, rain, and lighting condition change |
| SMD by Camera | All channels (8 targets/s) |
DHI-NVR4104HS-4KS3 Audio and Video
| Feature | Specification |
| Access Channel | 4 channels |
| Network Bandwidth | 80 Mbps incoming, 80 Mbps recording, 60 Mbps outgoing |
| Resolution | 12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 720p, 960p, D1, CIF, QCIF |
| Decoding Capability (AI Disabled) | 1-channel 12 MP@30 fps; 2-channel 8 MP@30 fps; 2-channel 6 MP@30 fps; 3-channel 5 MP@30 fps; 4-channel 4 MP@30 fps |
| Decoding Capability (AI Enabled) | 1-channel 12 MP@30 fps; 1-channel 8 MP@30 fps; 2-channel 6 MP@30 fps; 2-channel 5 MP@30 fps; 3-channel 4 MP@30 fps |
| Video Output |
1 HDMI, 1 VGA
• Simultaneous:
HDMI: 3840 × 2160, 1920 × 1080, 1280 × 1024, 1280 × 720
VGA: 1920 × 1080, 1280 × 1024, 1280 × 720
• Heterogeneous:
HDMI: 1920 × 1080, 1280 × 1024, 1280 × 720
VGA: 1920 × 1080, 1280 × 1024, 1280 × 720
|
| Multi-screen Display |
Main Screen: 1/4
Sub Screen: 1/4
|
| Third-party Camera Access | ONVIF, Panasonic, Sony, Axis, Arecont, Pelco, Canon, Hanwha |
DHI-NVR4104HS-4KS3 Compression Standard
| Feature | Specification |
| Video Compression | Smart H.265+, H.265, Smart H.264+, H.264 |
| Audio Compression | G.711a, G.711u, PCM, G726 |
DHI-NVR4104HS-4KS3 Network
| Feature | Specification |
| Network Protocol | HTTP, HTTPS, TCP/IP, IPv4, IPv6, RTSP, UDP, NTP, DHCP, DNS, SMTP, UPnP, IP Filter, FTP, DDNS, SNMP, Alarm Server, P2P, Auto Registration, IP Search (Supports IP camera, DVR, NVS, etc.) |
| Mobile Phone Access | iOS, Android |
| Interoperability | ONVIF 24.12 (Profile T, Profile S, Profile G), CGI, SDK |
| Browser | Chrome, IE, Safari, Edge, Firefox |
DHI-NVR4104HS-4KS3 Recording Playback
| Feature | Specification |
| Multi-channel Playback | Up to 4 channels |
| Record Mode | General, motion detection, intelligent, alarm |
| Backup Method | USB device and network |
| Playback Mode | Instant playback, general playback, event playback, tag playback, smart playback |
DHI-NVR4104HS-4KS3 Alarm
| Feature | Specification |
| General Alarm | Motion detection, privacy masking, video loss, scene changing, PIR alarm, IPC external alarm |
| Anomaly Alarm | Error (no disk, disk error, low space, low quota space, network disconnection, IP conflict, MAC conflict), video loss, video tampering, camera offline, audio detection |
| Intelligent Alarm | Face detection, face recognition, perimeter protection, SMD Plus, people counting, stereo analysis, heat map |
| Alarm Linkage | Record, snapshot, IPC external alarm output, audio, buzzer, log, preset, email |
DHI-NVR4104HS-4KS3 Port & Interfaces
| Feature | Specification |
| Audio Input | 1-channel RCA |
| Audio Output | 1-channel RCA |
| Alarm Input | NA (2 channels optional) |
| Alarm Output | NA (1-channel 12 V 1 A output optional) |
| Disk Interface | 1 SATA port. Each disk can contain up to 20 TB (limit varies depending on environment temperature) |
| USB | 2 (1 front USB 2.0 port, 1 rear USB 2.0 port) |
| HDMI | 1 |
| VGA | 1 |
| Network Port | 1 (10/100 Mbps Ethernet port, RJ-45) |
DHI-NVR4104HS-4KS3 General Specifications
| Feature | Specification |
| Power Supply | 12 VDC, 2 A |
| Power Consumption | Total output of NVR is <10 W (without HDD) |
| Net Weight | 0.81 kg (1.79 lb) |
| Gross Weight | 1.38 kg (3.04 lb) |
| Product Dimensions | 260.0 mm × 232.5 mm × 47.6 mm (10.24″ × 9.15″ × 1.87″) (W × D × H) |
| Packaging Dimensions | 334 mm × 89 mm × 314 mm (13.15″ × 3.50″ × 12.36″) (W × D × H) |
| Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) |
| Storage Temperature | –20 °C to +60 °C (–4 °F to +140 °F) |
| Operating Humidity | 10%–93% (RH), non-condensing |
| Certifications |
CE-EMC: EN 55032:2015+A1:2020; EN IEC 61000-3-2:2019+A1:2021; EN 61000-3-3:2013+A1:2019+A2:2021; EN 55035:2017+A11:2020; EN 50130-4:2011+A1:2014
CE-LVD: EN 62368-1:2014
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