General

• Model: DH-NVR3104-P
• Type: Network Video Recorder (NVR)
• Processor: Quad-core embedded processor
• Operating System: Embedded Linux

Video and Recording

• IP Camera Input: 4 channels
• Supported Resolutions: Up to 8MP for preview and playback
• Incoming Bandwidth: 80 Mbps
• Outgoing Bandwidth: 80 Mbps
• Decoding Capability:
  • 1 channel at 8MP
  • 2 channels at 4MP
  • 4 channels at 1080p
• Video Compression: H.265, H.264, MJPEG
• Multi-Channel Playback: Up to 4 channels

Audio and Video Output

• Audio Compression: G.711A, G.711U, PCM
• HDMI Output: 1 channel, resolution up to 3840 × 2160 (4K)
• VGA Output: 1 channel, resolution up to 1920 × 1080
• Synchronous Playback: 1/4 channels

Storage and Backup

• HDD Bays: 1 SATA III port, up to 10 TB for each disk
• Max Storage Capacity: 10 TB
• Backup Mode: USB device, network

Network

• Network Interface:
  • 1 × RJ-45 port (10/100 Mbps)
  • 4 × RJ-45 PoE ports (10/100 Mbps)
• Network Protocols: HTTP, HTTPS, TCP/IP, IPv4/IPv6, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, SNMP, PPPoE, DDNS, FTP, UPnP, P2P

PoE Specifications

• PoE Standard: IEEE 802.3af
• PoE Ports: 4
• Total PoE Power Budget: 50W
• PoE Output Power per Port: Up to 15.4W

USB Interface

• USB Ports:
  • 2 × USB 2.0 (1 front, 1 rear)

Alarm Interface

• Alarm Inputs: 4 channels
• Alarm Outputs: 2 channels

Physical and Environmental

• Dimensions: 260mm × 224.9mm × 47.6mm (10.2" x 8.9" x 1.9")
• Weight: Approx. 1.2 kg (2.65 lbs) without HDD
• Operating Temperature: -10°C to 55°C (14°F to 131°F)
• Operating Humidity: 10% to 90% RH, non-condensing

Power and Consumption

• Power Supply: DC 48V/1.25A
• Power Consumption:
  • NVR: <10W (without HDD)
  • PoE: Max. 50W

Additional Features

• Intelligent Features:
  • Supports intelligent video analytics, including tripwire, intrusion, and face detection
• User Interface: Web-based GUI, local GUI, mobile app
• Compliance: CE, FCC, UL
• ONVIF Compliance: Supports ONVIF Profile S/G