NVR2104HS-I2(1T) is a 4-channel network video recorder designed to offer high performance and intelligent video surveillance management, ideal for residential and professional contexts. Equipped with 1 1TB SSD , it guarantees fast and reliable storage, supporting Smart H.265+ / H.264+ compression to optimize space and bandwidth. It integrates advanced Artificial Intelligence functions such as face detection and facial recognition , perimeter protection and SMD Plus , improving alarm accuracy and reducing false positives. It supports resolutions up to 12MP and decoding up to 6 channels 1080p@30fps , with remote management and ONVIF compatibility. The presence of simultaneous HDMI and VGA outputs , mobile access and Embedded Linux operating system make it a complete, efficient and easy-to-use solution. Dahua
DISCOVER THE VERSION WITHOUT THE HARD DISK INCLUDED NVR2104HS-I2
NVR2104HS-I2(1T) | 4-CHANNEL NVR - MAXIMUM RESOLUTION 12MP - ARTIFICIAL INTELLIGENCE - 1TB SSD INCLUDED

DISCOVER THE VERSION WITHOUT THE HARD DISK INCLUDED NVR2104HS-I2
The Dahua NVR2104HS-I2(1T) WizSense is a 4-channel NVR recorder designed for advanced video surveillance systems, equipped with 1 1TB SSD for fast and reliable storage. It supports Smart H.265+ / H.264+ compression to optimize bandwidth and space, with resolution up to 12MP and decoding up to 6 channels 1080p@30fps . It integrates Artificial Intelligence functions such as facial recognition , perimeter protection and SMD Plus , improving accuracy and reducing false alarms. Compatible with ONVIF cameras and mobile remote access, it offers complete management via Embedded Linux and an intuitive interface. Ideal for professional applications thanks to simultaneous HDMI/VGA outputs and extensive network connectivity.
Main specifications:
- 4 IP Channels: manage up to four cameras with high stability and bandwidth up to 80 Mbps.
- Built-in 1TB SSD: Fast and secure storage for continuous recording and efficient backups.
- Smart H.265+ compression: storage space reduction and network optimization.
- AI WizSense: face detection, face recognition, perimeter protection and SMD Plus for intelligent analysis.
- Resolution up to 12MP: High video quality with multi-format support.
- HDMI and VGA Video Outputs: Simultaneous display up to 4K with multi-screen management.
- ONVIF compatibility: integration with third-party cameras and remote access from iOS/Android apps.
Further details
Technical data sheet
| Model: DVR | NVR2104HS-I2(1T) |
| SYSTEM | |
| Main Processor | Industrial-grade embedded processor |
| Operating System | Embedded Linux |
| Operation Interface | Web/operating in local GUI |
| TO THE | |
| AI by Camera | 1 |
| AI by Device | 4 |
| Perimeter Protection | |
| Perimeter Performance AI by Device(Number of Channels) | 1 |
| Perimeter Performance of AI by Camera (Number of Channels) | 4 |
| Face Detection | |
| Face Attributes | 6 attributes: Gender; age group (6); glasses; expressions (8); mouth mask; beard |
| Face Detection Performance of AI by Device (1080P) (Number of Channels) | 1 (up to 12 face images/second) |
| Face Detection Performance of AI by Camera (Number of Channels | 4 |
| Face Recognition | |
| Face Database Capacity | Up to 10 face databases with 5,000 images |
| Face Recognition Performance of AI by Device (1080P) (Number of Channels) | 1 (up to 4 face images/second) |
| Face Recognition Performance of AI by Camera (Number of Channels) | 4 |
| SMD Plus | |
| SMD Plus by Device | 4 |
| SMD Plus By Camera | 4-channel SMD Plus (AI by camera): Detects tripwire and intrusion of human or vehicle; filters false alarms caused by leaves, raindrops and change of brightness away |
| Video | |
| Access Channel | 4 channels |
| Network Bandwidth | 80 Mbps for access, 80 Mbps for storage and 60 Mbps for forwarding. |
| Resolution | 12MP; 8MP; 5MP; 4MP; 3MP; 2MP; 720p; Q1 |
| Decoding Capability | AI disabled: 1-channel 12MP@30 fps; 1-channel 8MP@30fps; 2-channel 5MP@30fps; 3-channel 4MP@30fps; 6-channel 1080p@30 fps AI enabled: 1-channel 8MP@30 fps; 1-channel 5MP@30fps; 2-channel 4MP@30fps; 4-channel 1080p@30fps |
| Video Output | 1 × VGA, 1 × HDMI (simultaneous) |
| Multi-screen Display | 1, 4 views |
| Third Party Camera Access | Onvif; RTSP; |
| Compression | |
| Video | Smart H.265+; H.265; Smart H.264+; H.264; MJPEG |
| Audio | PCM; G711A; G711U; G726 |
| Network | |
| Network Protocol | HTTP; HTTPS; TCP/IP; IPv4; RTSP; UDP; NTP; DHCP; DNS; SMTP; UPnP; IP Filter; DDNS; Alarm Server; IP Search (Supports Dahua IP camera, DVR, NVS, etc.); P2P;Auto Registration |
| Mobile Phone Access | Android; iOS |
| Interoperability | ONVIF® (profile T; profile S; profile G); CGI; SDK |
| Browser | Chrome; IE9 or later; Firefox |
| Record Playback | |
| Multi-channel Playback | Up to 4 channels |
| Record Mode | Manual record; alarm recordings; motion detection recordings; scheduled recordings |
| Storage | Local HDD and network |
| Backup | USB device |
| Playback Function | 1.Play; pauses; stop; fast forward; fastbackward; rewind; play by frame 2.Full screen; backup (video clips/files); partially zoom in; audio on/off |
| Alarm | |
| General Alarm | Motion detection; privacy masking; video loss; PIR alarm; IPC alarm |
| Anomaly Alarm | Camera offline; storage errors; disk full; IP conflict; MAC conflict; login lock; cyber security exception |
| Intelligent Alarm | Face detection; face recognition; perimeter protection (intrusion and tripwire); IVS; SMD Plus |
| Alarm Linkage | Recordings; snapshot; buzzers; log; presets; e-mail; tours |
| External Port | |
| HDD | 1 SATA port, up to 10 TB. The maximum HDD capacity varies with environment temperature |
| USB | 1×front USB2.0; 1 × USB2.0 back |
| HDMI | 1 (max. resolution: 4K) |
| VGA | 1 |
| Network | 1 × RJ-45 (10 or 100 Mbps) |
| RCA Input | 1 |
| RCA Output | 1 |
| General Parameter | |
| Power Supply | 12V DC, 1.5A |
| Power Consumption | Total output of NVR is ≤ 10W (without HDD) |
| Net Weight | 0.81 kg (1.79 lb) |
| Gross weight | 1.38 kg (3.04 lb) |
| Product Dimensions | 260 mm × 232.7 mm × 47.6 mm (10.24" × 9.16" × 1.87") (W × L × H) |
| Package Dimensions | 89 mm × 333 mm × 315 mm (3.50" × 13.11" × 12.40") (W × L × H) |
| Operating Temperature | –10 °C to +55 °C (+14 °F to +131 °F) |
| Storage Temperature | 0°C to 40°C (+32°F to +104°F) |
| Operating Humidity | 10%–93% |
| Storage Humidity | 30%–85% |
| Operating Altitude | 3,000 m (9,842.52 ft) |
| Installation | Desktop |
| Certifications | FCC:47 CFR FCC Part15,SubpartB,Class A CE-EMC:EN 55032:2015,Class A;EN IEC 61000- 3-2:2019;EN 61000-3-3:2013+A1:2019;EN 55024:2010+A1:2015;EN 55035:2017;EN 50130- 4:2011+A1:2014 CE-LVD:EN 62368-1:2014+A11:2017 |


