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Dahua Technology N42B3P2 NVR 16CH 4K UHD POE 2TB HDD Security Network Video Recorder

Brand :Dahua


Condition :New

Out of stock


Key Features


  • Type: NVR
  • Channel: 16
  • Compression : H.265, H.264, MJPEG
  • Color: Black

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4K 16CH 1U NVR

2TB Included

Dahua’s Lite Series network video recorders offer excellent performance and high recording quality for IP video surveillance applications. For applications where details are critical for identification, this professional NVR provides a powerful processor with up to 4K resolution. Additionally, the NVR features a mouse shortcut operation menu, remote management and control, center storage, edge storage, and back up storage.

The NVR is compatible with numerous third‐party devices making it the perfect solution for surveillance systems with or without a video management system (VMS). Its open architecture supports multi‐ user access and is compatible with ONVIF 2.4, enabling interoperability when combined with 4K cameras.

  • H.265 and H.264 Video Compression
  • Maximum 200 Mbps Incoming Bandwidth
  • Up to 8 MP Resolution for Preview and Playback
  • Simultaneous HDMI and VGA Video Output
  • Support for IPC and UPnP Protocols
  • 16 PoE Ports
  • Compatible with Dahua Smart Motion Detection+ Cameras
  • Support for Automatic Network Replenishment (ANR) Technology

Intelligent Video System (IVS) Analytics

  • Tampering with the camera
  • Camera loses or changes focus drastically
  • Memory card error
  • Network error
  • Unauthorized access
  • Motion
  • Tripwire
  • Intrusion
  • Scene change
  • Abandoned/missing object
  • Facial detection
  • People counting
  • Heat mapping

Dahua Technology Lite Specs


Main ProcessorEmbedded Quad-Core Processor
Operating SystemEmbedded Linux

Video and Audio

IP Camera Inputs16
Two-Way Talk1 x RCA Input
1 x RCA Output


Interface1 x HDMI
1 x VGA
Output Native Resolutions3840 x 2160, 1920 x 1080, 1280 x 1024, 1280 x 720, 1024 x 768
Maximum DecodingTwo Channels of 4K UHD / 6 MP at 30 fps
Three Channels of 5 MP at 30 fps
Four Channels of 4 MP/ 3 MP at 30 fps
Four Channels of 1080p at 30 fps
Eight Channels of 1080p at 60 fps
Sixteen Channels of 720p at 30 fps
Multi-Screen Display1/4/8/9/16
On-Screen DisplayCamera Title, Time, Video Loss, Camera Lock, Motion Detection, Recording


CompressionH.265, H.264, MJPEG
Supported IP Camera Resolution8 MP, 6 MP, 5 MP, 4 MP, 3 MP, 1080p, 1.3 MP, 720p, D1, CIF
Maximum Incoming Bandwidth200 Mb/s
Bit Rate16 kb/s to 20 Mb/s per Channel
Record ModeManual, Schedule (Regular, Continuous), Motion Detection (Video Detection, Motion Detection, Tampering, Video Loss), Stop
Recording Intervals1 to 120 Minutes (Default: 60 Minutes)
Pre-Record: 1 to 30 Seconds
Post-Record: 10 to 300 Seconds

Video Detection & Alarm

Trigger EventsRecording, PTZ, Tour, Alarm Out, Video Push, Email, FTP, Snapshot, Buzzer, and Screen Tips
Video DetectionMotion Detection, MD Zones: 396 (22 x 18), Video Loss, and Tampering
Alarm Inputs4
Low-Level Effective, Green Terminal Interface
Relay Outputs2
NO/NC Programmable, Green Terminal Interface

Playback & Backup

Sync Playback1/4/8/16
Search ModesTime/Date, Alarm, MD and Exact Search (Accurate to One Second), Smart Search
Playback FunctionPlay, Pause, Stop, Rewind, Fast Play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, Digital Zoom
Backup ModesUSB Device, Network

Third-Party Software Support

Brand CompatibilityDahua, Arecont Vision, Axis Communications, Bosch, Brickcom, Canon, CP Plus, Dynacolor, Honeywell, Panasonic, Pelco, Samsung, Sanyo, Sony, Videotec, Vivotek, and Others


Ethernet1 x RJ45 (10/100/1000M)
PoE16 Ports (IEEE 802.3af/at)
Network FunctionHTTP, HTTPS, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, IP Filter, PPPoE, DDNS, FTP, Alarm Server, IP Search (Supports Dahua IP Cameras, DVRs, and NVSes)
Maximum User Access128 Users
Mobile Operating SystemsiOS, Android
InteroperabilityONVIF 2.4.1, CGI Conformant


HDD Support2 x SATA III Ports, 8 TB Capacity for Each Disk
Installed HDDNo HDD
HDD ModeSingle

Auxiliary Interface

USB1 x USB 3.0
1 x USB 2.0
RS-2321 Port


Power Supply100 to 240 VAC, 50/60 Hz
Power Consumption
PoE Power25.5 W Single Port, 130 W Total


Operating Temperature14 to 131°F / -10 to 55°C
Storage Temperature-4 to 158°F / -20 to 70°C
Storage Humidity0 to 90% RH
CertificationsCE: EN55032, EN55024, EN60950-1

Safety: UL 60950-1, CAN/CSA C22.2 No.60960-1

Electromagnetic Compatibility (EMC): FCC CFR 47 Part 15 Subpart B, ANSI C63.4-2014

Rack Units1 RU
Dimensions14.8 x 11.1 x 2.2″ / 375 x 281.5 x 56 mm
Weight5.95 lb / 2.7 kg without HDDs

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