Dahua DHI-NVR4216-EI: 16-Channel WizSense Network Video Recorder

Lite Series

Product Overview

The Dahua Lite series NVR, model DHI-NVR4216-EI, is a 16-channel, 1U network video recorder featuring WizSense technology. It is designed for easy installation, cost-effectiveness, and compatibility with a wide range of third-party devices, making it an ideal solution for small and medium surveillance systems. Applications include home safety, supermarkets, warehouses, educational institutions, and financial institutions.

Key Features:

Smart H.265+/H.265/Smart H.264+/H.264/MJPEG decoding format.
Access, storage, or forwarding at 256 Mbps (180 Mbps when AI function is enabled).
Max. decoding capability: 16 × 1080p@30 fps, with support for adaptive decoding.
AI by NVR: 1-channel face detection and recognition, 2-channel perimeter protection, up to 10 face databases (20,000 face images), and 4-channel SMD Plus.
AI by Camera: Supports face detection and recognition, perimeter protection, SMD Plus, people counting, stereo analysis, and heat map.
Connects to third-party network cameras.
Security baseline 2.3.

Advanced Functions:

Face Recognition: Dahua Face Recognition technology extracts facial features for comparison against a face database.
Perimeter Protection: Automatically filters false alarms caused by environmental factors (e.g., animals, rustling leaves, bright lights) and enables secondary recognition for targets, improving alarm accuracy.
SMD Plus: Utilizes intelligent algorithms to categorize motion detection triggers, filtering out non-concerned targets for effective and accurate alarms.
ANPR by Camera: Employs deep learning to recognize vehicle number plate information, supporting blocklist/allowlist modes for searching recorded video.
Quick Pick: Facilitates rapid retrieval of human or vehicle targets from SMD events.
AI Search: Allows operators to search video footage based on target attributes and event types for efficient investigation.
Heat Map by Camera: Visualizes crowd density and people appearance probability, exporting crowd status via color-coding to represent people quantity over space and time.

A photograph of the Dahua DHI-NVR4216-EI network video recorder shows its front panel. The device is a compact, black, 1U rack-mountable unit with a single drive bay visible.

Technical Specifications

Category	Specification
System	Industrial-grade processor, Embedded Linux, Web/Local GUI
AI Capabilities	AI by Recorder: Face detection, face recognition, perimeter protection, SMD Plus. AI by Camera: Face detection, face recognition, perimeter protection, SMD Plus, ANPR, people counting, stereo analysis, heat map. Perimeter Protection (NVR): 2 channels, 10 IVS rules per channel. Perimeter Protection (Camera): All channels (8 targets/s). Face Detection Attributes: Gender, age group, glasses, expressions, face mask, beard. Face Detection Performance (NVR): 1 channel (up to 12 face images/s). Face Detection Performance (Camera): All channels (8 targets/s). Face Recognition Database Capacity: Up to 10 databases with 20,000 images (2.5 GB total). Stores name, gender, birthday, address, credential type/No., countries, state. Face Recognition Performance (NVR): 8-channel FD (by camera) + FR (by recorder) (12 face images/s); 1-channel FD (by recorder) + FR (by recorder) (12 face images/s). Face Recognition Performance (Camera): All channels (8 targets/s). SMD Plus (NVR): 4 channels (secondary filtering for human/vehicle). SMD Plus (Camera): All channels (16 targets/s).
Video & Audio	Access Channel: 16 channels. Resolution: 16 MP, 12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 960p, 720p, D1, CIF. Decoding Capability: AI disabled: 2-ch 16MP@30fps, 2-ch 12MP@30fps, 4-ch 8MP@30fps, 4-ch 6MP@30fps, 6-ch 5MP@30fps, 8-ch 4MP@30fps, 16-ch 1080p@30fps. AI enabled: 1-ch 16MP@30fps, 2-ch 12MP@30fps, 3-ch 8MP@30fps, 3-ch 6MP@30fps, 4-ch 5MP@30fps, 6-ch 4MP@30fps, 12-ch 1080p@30fps, 16-ch 720p@30fps. Video Output: 1 HDMI (up to 3840x2160), 1 VGA (up to 1920x1080). Simultaneous/heterogeneous output configurable. Multi-screen Display: 1st/2nd Screen: 1/4/8/9/16. Compression Standard (Video): Smart H.265+, H.265, Smart H.264+, H.264, MJPEG. Compression Standard (Audio): G.711a, G.711u, PCM, G726. Audio Input: 1-channel RCA. Audio Output: 1-channel RCA.
Network	Network Protocol: HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, SNMP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search (Dahua IP camera, DVR, NVS, etc.), P2P, auto register. Mobile Phone Access: iOS, Android. Interoperability: ONVIF 22.06 (Profile T, S, G), CGI, SDK. Browser: Chrome, IE9+, Firefox. Network Bandwidth: AI disabled: 256 Mbps incoming/recording/outgoing. AI enabled: 180 Mbps incoming/recording/outgoing.
Storage & Playback	Disk Interface: 2 SATA ports, up to 16 TB (HDD capacity varies with temperature). Disk Group: Yes. Recording Playback: Multi-channel playback (up to 16 channels). Record Mode: General, motion detection, intelligent, alarm. Playback Mode: Instant, general, event, tag, smart playback. Backup Method: USB device and network.
Alarm Management	General Alarm: Motion detection, privacy masking, video loss, scene changing, PIR alarm, IPC external alarm. Anomaly Alarm: Camera disconnection, storage error, disk full, IP conflict, MAC conflict, login locked, cybersecurity exception. 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.
Ports & Connectivity	USB: 2 ports (1 front USB 2.0, 1 rear USB 2.0). HDMI: 1 port. VGA: 1 port. Network Port: 1 × 10/100/1000 Mbps Ethernet port (RJ-45). Alarm Input: 4 channels. Alarm Output: 2 channels.
General Information	Power Supply: 12 VDC, 4 A. Power Consumption: <10 W (without HDD). Net Weight: 1.51 kg (3.33 lb). Gross Weight: 2.76 kg (6.08 lb). Product Dimensions: 375 mm × 284.3 mm × 53 mm (14.76" × 11.19" × 2.09") (W × L × H). Packaging Dimensions: 433 mm × 141 mm × 366 mm (17.05" × 5.55" × 14.41") (W × L × 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). Installation: Rack or desktop. Certifications: FCC, CE-EMC, CE-LVD.

A diagram illustrates the panel layout of the DHI-NVR4216-EI. Numbered components are indicated: 1. Power Switch, 2. Power Input, 3. Network Port, 4. VGA Port, 5. AUDIO OUT (RCA Connector), 6. AUDIO IN (RCA Connector), 7. HDMI Port, 8. USB Port, 9. Alarm In/Out, 10. Ground connection. These are shown on both front and rear views.

Dimensional drawings provide measurements in millimeters and inches. The front panel width is 375.0 mm [14.76 inches], and the height is 53.0 mm [2.09 inches]. The depth is shown as 284.3 mm [11.19 inches], with an internal depth of 277.9 mm [10.94 inches].

Ordering Information

Type	Model	Description
NETWORK VIDEO RECORDER	DHI-NVR4216-EI	16CH 1U 2HDDs WizSense Network Video Recorder

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Dahua DHI-NVR4216-EI: 16-Channel WizSense Network Video Recorder

Product Overview

Technical Specifications

Ordering Information

References

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