Dahua 8CH 1U 2HDDs WizSense Network Video Recorder NVR4208-EI

Product Description

Overview

An 8-channel NVR (Network Video Recorder) in a slim 1U rack-mount form factor, designed to accommodate two 2.5″ SATA hard drives for storage. It’s part of the WizSense lineup, powered by AI for enhanced surveillance capabilities.

Video & AI Capabilities

• Supported Formats: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG

• Bandwidth:

  • Up to 256 Mbps for access, recording, and forwarding when AI is off

  • Reduced to 180 Mbps when AI features are active

• Decoding Capacity: Can decode up to 16 streams of 1080p at 30 fps, with adaptive decoding based on stream resolution and performance load

• AI from the Recorder:

  • Face Detection & Recognition on 1 channel

  • Perimeter Protection on 2 channels (with up to 10 IVS rule sets per channel)

  • SMD Plus (Smart Motion Detection—secondary filtering for human/motor vehicle) across 4 channels

• AI via Cameras: When paired with compatible cameras, adds capabilities like face detection/recognition, perimeter protection, SMD Plus, people counting, stereo analysis, and heat mapping

System & Interfaces

• Processor & OS: Industrial-grade processor with embedded Linux OS

• User Interface: Web-based UI and local GUI for on-premise control

• Video Outputs:

  • 1 × HDMI (up to 4K @ 30 fps)

  • 1 × VGA (up to 1080p)

  • Configurable simultaneous display

• Ports & I/O:

  • Audio: 1 × RCA in, 1 × RCA out

  • Alarm: 4 × inputs, 2 × outputs

  • USB: 2 × USB 2.0 (front and rear)

  • Network: 1 × RJ-45 (10/100/1000 Mbps)

• Storage: 2 SATA ports—supports up to 16 TB total (capacity dependent on environmental conditions)

Recording & Playback

• Modes: General recording, motion detection, intelligent (AI-triggered), alarm-based

• Playback Options: Instant playback, event/tag playback, smart playback, and general timeline navigation

• Backup: Via USB or network

• Smart Search Tools: AI-assisted event search, face recognition, SMD event filtering, quick pick (for AI-related object retrieval)

Network & Security

• Protocols: HTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, SNMP, UDP, SMTP, NTP, DHCP, DNS, IP filtering, PPPoE, DDNS, FTP, Alarm Server, Dahua IP Search, P2P

• Mobile Access: iOS and Android support

• Interoperability: ONVIF Profile S/T, CGI, SDK, and major browser compatibility

Alarm & Event Handling

• Supports general alarms (motion, masking, video loss, scene change, IPC alarms), and anomaly alarms (camera disconnect, disk errors, storage issues, IP/MAC conflicts, login locks)

• Intelligent Alarms: Face-based, perimeter, people count, heat map, SMD Plus, stereo analysis

• Configurable alarm actions: record, snapshot, buzzer, email, log entry, IPC output, preset movement

Physical & Environmental Specs

• Mounting Options: Rack-mount (1U) or desktop

• Operating Temperature: –10 °C to +55 °C (14 °F to 131 °F)

• Storage Temperature: –20 °C to +60 °C (–4 °F to 140 °F)

• Humidity: 10%–93% (non-condensing)

• Certifications: FCC, CE-EMC, CE-LVD compliant