Dahua NVR2104HS-4KS3 – Compact 4-Channel NVR, up to 12 MP, 80 Mbps

The Dahua NVR2104HS-4KS3 is a compact 4-channel Lite Series Network Video Recorder designed for reliable and cost-effective recording in small to medium-sized video surveillance systems. It supports IP cameras with resolutions up to 12 MP and advanced AI functions at both recorder and camera level, ensuring accurate detection and fewer false alarms.

Key features

• Channels: 4 IP channels
• Supported camera resolutions: up to 12 MP (12 MP, 8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 720p, 960p, D1, CIF, QCIF)
• Bandwidth: 80 Mbps incoming / 80 Mbps recording / 60 Mbps outgoing
• Decoding capability (AI off): 1× 12 MP@30 fps; 1× 8 MP@30 fps; 2× 6 MP@30 fps; 2× 5 MP@30 fps; 3× 4 MP@30 fps; 6× 1080p@30 fps
• Decoding capability (AI on): 1× 8 MP@30 fps; 1× 6 MP@30 fps; 1× 5 MP@30 fps; 2× 4 MP@30 fps; 4× 1080p@30 fps
• Video compression: Smart H.265+, H.265, Smart H.264+, H.264, MJPEG
• Video output: 1× HDMI (up to 3840×2160 / 4K), 1× VGA (up to 1920×1080)
• Multi-screen display: 1/4 split
• AI by Recorder – SMD Plus: 4 channels (secondary filtering for humans and motor vehicles, reducing false alarms caused by leaves, rain and lighting changes)
• AI by Camera: perimeter protection and SMD Plus – all channels
• Audio input/output: 1× RCA input / 1× RCA output
• Audio compression: G.711a, G.711u, PCM, G.726
• Alarm input/output: optional (2× input, 1× output 12 V / 1 A)
• Storage: 1× SATA port, up to 20 TB per HDD
• USB ports: 2× USB 2.0 (1 front, 1 rear)
• Network interface: 1× RJ-45, 10/100 Mbps
• Access protocols: ONVIF, SDK, CGI
• Recording modes: general, motion detection, intelligent, alarm
• Playback modes: instant, general, event, tag, smart playback
• Power supply: 12 VDC, 1.5 A
• Power consumption: <10 W (without HDD)
• Dimensions (W × D × H): 260.0 × 232.5 × 47.6 mm
• Net weight: 0.85 kg
• Operating temperature: –10 °C to +55 °C
• Certifications: CE (LVD, EMC)

The NVR2104HS-4KS3 is an optimal choice for installers and B2B buyers seeking a reliable, compact recorder with AI capabilities and high-resolution IP camera support at a competitive price point.