Elevate your surveillance system with the Dahua NVR2104HS-P-4KS3 4-Channel 4K PoE Network Video Recorder. This compact and powerful NVR offers advanced security features, stunning 4K resolution support, and built-in PoE for easy camera setup. Ideal for homes and small businesses seeking reliable, intelligent video monitoring.

Key Features & Benefits:

• Crystal-Clear 4K Monitoring: Supports up to 12MP IP cameras and decodes 4K footage, ensuring every detail is captured with exceptional clarity. See more, miss less.
• Smart H.265+ Compression: Save significant storage space and bandwidth without compromising video quality. This advanced compression technology intelligently optimizes your recordings.
• Built-in 4-Port Power over Ethernet (PoE): Simplify installation! Directly power and connect up to four PoE cameras with a single Ethernet cable, reducing wiring complexity and setup time.
• Advanced AI & Smart Detection:
  • Smart Motion Detection Plus (SMD Plus) by Recorder: Reduces false alarms from trivial movements like rain, leaves, or light changes by intelligently differentiating between human and vehicle targets on 4 channels.
  • Perimeter Protection (AI by Camera): Define virtual boundaries and receive alerts when someone crosses them, enhancing security for specific areas.
• Flexible Bandwidth Management: Manage 80 Mbps incoming, 80 Mbps recording, and 60 Mbps outgoing bandwidth, ensuring smooth recording and remote viewing for all your connected cameras.
• Local & Remote Access: Easily view live feeds and recordings on your local monitor (HDMI/VGA) or on the go via the dedicated mobile app (iOS/Android) and web browsers (Chrome, IE, Safari, Edge, Firefox).
• Generous Storage Capacity: Equipped with 1 SATA port supporting up to a 20TB hard drive, providing ample storage for extensive video archives. (Hard drive sold separately).
• Robust Interoperability: Compatible with ONVIF 23.12 (Profile T, S, G), CGI, and SDK, ensuring seamless integration with a wide range of third-party IP cameras.
• Compact & Efficient Design: Its 1U compact size makes it easy to install in various environments without taking up much space.
• 1 Year Warranty

Technical Specifications:

System:

• Processor: Industrial-grade
• Operating System: Embedded Linux
• Operating Interface: Web, Local GUI
• AI by Recorder: SMD Plus (4 channels)
• AI by Camera Support: Perimeter protection, SMD Plus (all channels)

Audio & Video:

• Access Channels: 4
• Network Bandwidth: Incoming: 80 Mbps, Recording: 80 Mbps, Outgoing: 60 Mbps
• Supported Resolutions: 12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 720p, 960p, D1, CIF, QCIF
• Decoding Capability (AI Disabled): 1x12MP@30fps, 1x8MP@30fps, 2x6MP@30fps, 2x5MP@30fps, 3x4MP@30fps, 6x1080p@30fps
• Decoding Capability (AI Enabled): 1x8MP@30fps, 1x6MP@30fps, 1x5MP@30fps, 2x4MP@30fps, 4x1080p@30fps
• Video Outputs: 1 HDMI, 1 VGA
• Multi-screen Display: 1/4
• Third-party Camera Access: ONVIF

Compression:

• Video Compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
• Audio Compression: G.711a, G.711u, PCM, G726

Network:

• Protocols: HTTP, HTTPS, TCP/IP, IPv4, IPv6, UDP, NTP, DHCP, DNS, SMTP, IP Filter, DDNS, IP Search, P2P, Auto Registration
• Mobile Phone Access: iOS, Android
• Interoperability: ONVIF 23.12 (Profile T, S, G), CGI, SDK
• Browser Support: Chrome, IE, Safari, Edge, Firefox

Recording & Playback:

• Multi-channel Playback: Up to 4 channels
• Record Modes: General, Motion detection, Intelligent, Alarm
• Backup Method: USB device, Network
• Playback Modes: Instant, General, Event, Tag, Smart playback

Alarm:

• General Alarm: Motion detection, Camera external alarm, PIR alarm
• Anomaly Alarm: Disk errors (no disk, error, low space), Network disconnection, IP/MAC conflict, Video loss/tampering, Camera offline
• Intelligent Alarm: Perimeter protection, SMD Plus
• Alarm Linkage: Recording, Snapshot, Buzzer, Log, Preset, Email, Tour

Ports:

• Audio Input: 1-channel RCA
• Audio Output: 1-channel RCA
• Disk Interface: 1 SATA port (up to 20 TB)
• USB: 2 (1 front USB 2.0, 1 rear USB 2.0)
• HDMI: 1
• VGA: 1
• Network Port: 1 (10/100 Mbps Ethernet, RJ-45)
• PoE Ports: 4 ports, 10/100 Mbps, IEEE 802.3 af/at (36W total, 25.5W max per port)

General:

• Power Supply: 53 VDC, 1.22 A
• Power Consumption: <10 W (without HDD)
• Net Weight: 0.85 kg (1.87 lb)
• Gross Weight: 1.85 kg (4.08 lb)
• Product Dimensions (W × D × H): 260.0 mm × 232.5 mm × 47.6 mm (10.24" × 9.15" × 1.87")
• 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
• Certifications: CE-LVD, CE-EMC