Description
Product Description
The Dahua DHI‑NVR2104‑I2 is an intelligent network video recorder from Dahua’s WizSense Series, designed to deliver reliable IP camera surveillance with advanced AI features. It supports up to 4 IP camera channels with flexible resolution up to 12 MP, making it suitable for modern HD camera deployments.
This NVR uses Smart H.265+ / H.265 / Smart H.264+ / H.264 / MJPEG compression formats to reduce storage and bandwidth usage while maintaining clear video quality. It also includes AI analytics such as face detection and recognition, perimeter protection (intrusion and tripwire), and SMD Plus smart motion detection, enhancing event accuracy and filtering false alarms.
Users can view live footage or playback recordings locally via HDMI or VGA outputs, and remote access is supported through mobile apps (Android/iOS) or web browsers. This recorder supports third‑party ONVIF cameras and features simple backup options via USB.
Specifications (Verified & Accurate)
📹 System & Channels
- Channels: 4 IP camera inputs
- Max Resolution Supported: Up to 12 MP (various camera resolutions)
- Video Compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
- Network Bandwidth: 80 Mbps (access), 80 Mbps (storage), 60 Mbps (forwarding)
- Decoding Capability:
- Without AI: Up to 6 × 1080p@30 fps
- With AI enabled: 4 × 1080p@30 fps (adaptive decoding)
🤖 AI & Smart Analytics
- AI by Device: Face detection & recognition (1 channel), perimeter protection (1)
- Face Database: Up to 10 databases with 5,000 face images
- AI by Camera: Face detection, recognition, perimeter protection, SMD Plus
- SMD Plus: 4‑channel smart motion detection (human/vehicle)
📺 Display & Playback
- Video Outputs:
- 1 × HDMI (up to 4K supported)
- 1 × VGA
- Multi‑Screen Display: 1 / 4 views
- Playback: Up to 4‑channel simultaneous playback
📡 Storage & Connectivity
- HDD Support: 1 × SATA port, up to 10 TB
- Network Port: 1 × RJ45 10/100 Mbps
- USB Ports: 2 × USB 2.0
- Third‑Party Support: ONVIF (profile T/S/G), CGI, SDK
- Remote Access: Android & iOS apps, web browser support (Chrome, Firefox)
📊 Protocols & Features
- Network Protocols: HTTP, HTTPS, TCP/IP, RTSP, DHCP, DNS, DDNS, SMTP, UPnP, IP Filter
- General Alarm: Motion detection, privacy masking, video loss, IPC alarm
- Anomaly Alarm: Camera offline, storage error, disk full, IP/MAC conflict, login lock
⚙️ General
- Operating System: Embedded Linux
- Power Supply: 12 V DC, 1.5 A
- Power Consumption: ≤ 10 W (without HDD)
- Operating Temperature: –10 °C to +55 °C
- Dimensions: ~204.6 × ~206.4 × ~48.1 mm
- Weight: ~0.45 kg
Key Features
✔ Supports up to 4 IP camera channels with high‑resolution recording
✔ AI analytics: face detection/recognition, perimeter protection, SMD Plus
✔ Efficient Smart H.265+ video compression
✔ Simultaneous HDMI & VGA outputs for local monitoring
✔ Large HDD support up to 10 TB
✔ Remote monitoring via apps and web interface
✔ ONVIF support for broad camera compatibility
✔ Compact 1U design for easy installation
Typical Use Cases
✔ Small business and retail surveillance
✔ Home IP camera systems
✔ Offices and clinics
✔ Remote monitoring with mobile apps
✔ Smart motion and face detection alerts
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