Dahua Technology 4-Channel 2MP HD-CVI DVR with 2TB HDD and 4 2MP Night Vision Dome Cameras

Dahua Technology 4-Channel 2MP HD-CVI DVR with 2TB HDD and 4 2MP Night Vision Dome Cameras

Dahua Technology 4-Channel 2MP HD-CVI DVR with 2TB HDD and 4 2MP Night Vision Dome Cameras

B&H # DAC542E42 MFR # C542E42

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Product Highlights

  • Record from and Manage up to 4 Cameras
  • 2MP Recording Resolution per Camera
  • 2TB Preinstalled HDD
  • H.265+, H.264+, H.265, H.264 Compression
  • Four 2MP 2.8mm Dome Cameras Included
  • IR LEDs for Night Vision up to 98'
  • IR Cut Filter
  • 103° Field of View
  • HD-CVI/CVBS/AHD/HD-TVI Switchable
  • IP67 Rated for Outdoor Use
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Dahua Technology C542E42 Overview

  • 1Description

Monitor your home or business with the 4-Channel 2MP HD-CVI DVR with 2TB HDD and 4 2MP Night Vision Dome Cameras from Dahua Technology. The DVR enables you to record from and manage the four included HD-CVI cameras. Additionally, it has IP video inputs for up two IP cameras up to 6MP (available separately). The recorder comes with 2TB of preinstalled HDD storage that can be expanded up to 10TB if more is required.

The DVR uses H.265+, H.265, H.264+, and H.264 compression to keep file sizes manageable while maintaining recording and playback quality. Its interface includes RCA ports for two-way audio communication, as well as HDMI and VGA connections for video output with support for dual streaming to maximize bandwidth efficiency.

Each of the four included 2MP dome cameras captures 1920 x 1080 resolution video at 30 fps from a 2.8mm fixed lens with a 103° field of view. Built-in IR LEDs provide a night vision range of up to 98'. Designed for outdoor use, the cameras are housed in IP67-rated weather-resistant enclosures.


Long-distance transmission over RG-59, RG-6, or Cat 6 UTP coax cabling (Cat 6 requires separately available balun)
Recording options and schedules can be set for each individual camera or copied to all cameras
Multi-format support
Intelligent video analytics including Tripwire violation detection, intrusion detection, abandoned object detection, missing object detection, face detection, and motion detection


Embedded processor
VGA and HDMI outputs at up to 1920 x 1080 resolution
Self-adaptive HD-CVI/AHD/HD-TVI/CVBS signal input
4 analog + 2 IP camera channels
Up to 15 fps at 1080p record rate
Up to 24 Mb/s incoming bandwidth
Smart H.265+ and H.264 dual codec
2 x USB 2.0 ports


1/2.7" 2MP progressive-scan CMOS Sensor
Up to 1920 x 1080 resolution at 30 fps
2.8mm fixed lens
IR LEDs for low-light performance up to 98'
Smart IR for uniform brightness in B&W images under low illumination; LED intensity adjusts in proportion to object distance, preventing overexposure as objects move closer to camera
HD-CVI, CVBS, AHD, or HD-TVI format selectable via OSD menu or output cable switch
Built-in heater for use in cold environments
Broad operating temperature range, -40 to 140°F
IP67 rated for outdoor use
UPC: 819290026375
In the Box
Dahua Technology 4-Channel 2MP HD-CVI DVR with 2TB HDD and 4 2MP Night Vision Dome Cameras
  • Limited 3-Year Warranty
  • Table of Contents
    • 1Description

    Dahua Technology C542E42 Specs

    Main Processor Embedded Processor
    Operating System Embedded Linux
    Analog Camera Inputs 4 x BNC
    HD-CVI 5 MP, 4 MP, 1080p at 30 fps
    720p at 60 fps
    AHD 5 MP, 4 MP, 1080p at 30 fps
    720p at 30 fps
    HD-TVI 5 MP, 4 MP, 1080p at 30 fps
    720p at 30 fps
    IP Camera Input 4 + 2 Channels, Each Channel up to 6 MP
    Audio Input: 1 x RCA
    Output: 1 x RCA
    Two-Way Talk Reuse Audio In/Out, RCA
    Video Compression Smart H.265+, H.265, Smart H.264+, H.264
    Recording Resolution 5 M-N, 4 M-N, 1080p, 1080N, 720p, 960H, D1, CIF
    Recording Rate Main Stream
    Channel 1: 5 M-N at 10 fps
    Channels 2 to 4: 4 M-N or 1080p at 15 fps; 1080N, 720p, 960H, D1, or CIF at 30 fps

    Sub Stream
    D1 or CIF at 15 fps
    Maximum Incoming Bandwidth 24 Mb/s
    Bit Rate 32 to 6144 kb/s per Channel
    Recording Modes Manual, Schedule (Regular, Continuous), MD (Video Detection: Motion Detection, Video Loss, Tampering), Alarm, Stop
    Recording Intervals 1 to 60 Minutes (Default 60 Minutes)
    Pre-Record: 1 to 30 Seconds
    Post-Record: 10 to 300 Seconds
    Audio Compression AAC (First Channel Only), G.711A, G.711U, PCM
    Audio Sample Rate 8 kHz, 16 Bits per Channel
    Audio Bit Rate 64 kb/s per Channel
    Display Interface 1 x HDMI (1920 x 1080)
    1 x VGA (1920 x 1080)
    Native Output Resolution 1920 x 1080, 1280 x 1024, 1280 x 720
    Maximum Decoding 1 Channel of 6 MP at 30 fps
    4 Channels of 1080p at 7 fps
    4 Channels of 720p at 15 fps
    4 Channels of 960H at 30 fps
    Multi-Screen Display IP Extension Mode Disabled: 1/4
    IP Extension Mode Enabled: 1/4/6
    On-Screen Display Camera Title, Time, Video Loss, Camera Lock, Motion Detection, Recording
    Network Interface 1 x RJ45 Port, 1000 Mb/s
    Network Function HTTP, TCP/IP, IPv4/IPv6, UPnP, RTSP, UDP, SMTP, NTP, DHCP, DNS, IP Filter, PPPoE, DDNS, FTP, Alarm Server, P2P, IP Search (Supports Dahua IP Cameras, DVRs, NVRs)
    Max. User Access 128 Users
    Compatible Mobile Operating Systems iOS and Android
    Interoperability ONVIF 16.12, CGI Conformant
    Trigger Events Recording, PTZ, Tour, Video Push, Email, FTP, Snapshot, Buzzer, and Screen Tips
    Video Detection Motion Detection, Video Loss, Tampering, and Diagnosis
    Motion Detection Zones: 396 (22 ◊ 18)
    Playback 1/4
    Search Modes Time/Date, Alarm, Motion Detection, and Exact Search
    Accurate to 1 Second
    Playback Functions Play, Pause, Stop, Rewind, Fast Play, Slow Play, Next File, Previous File, Next Camera, Previous Camera, Full Screen, Repeat, Shuffle, Backup Selection, and Digital Zoom
    Backup Modes USB Device and Network
    Internal HDD 1 x SATA Port, up to 10 TB Capacity
    2 TB HDD Preinstalled
    USB 2 x USB 2.0 Ports
    Serial 1 x RS-485 Port for PTZ Control
    Power Supply 12 VDC, 2 A
    Power Consumption <10 W
    Safety Certification UL 60950-1, CE-LVD: EN 60950-1/IEC 60950-1
    Electromagnetic Compatibility FCC Part 15 Subpart B
    EN 55032, EN 50130, EN 61000-3-2, EN 61000-3-3
    Immunity EN 55024: 2010
    Operating Conditions 14 to 131°F / -10 to 55°C
    10 to 90% RH
    Storage Conditions -4 to 158°F / -20 to 70°C
    0 to 90% RH
    Installation Desktop
    Dimensions 12.8 x 10.0 x 2.2" / 325.0 x 255.1 x 55.0 mm
    Weight 2.2 lb / 1 kg
    Sensor 1/2.7" CMOS
    Effective Pixels 1920 x 1280, 2 MP
    Scanning System Progressive
    Electronic Shutter Speed 1/100,000 to 1/30 Second
    Minimum Illumination Color: 0.02 Lux at f/1.85 (30 IRE)
    0 Lux with IR On
    S/N Ratio >65 dB
    IR Range 98.04' / 30 m
    IR Control Auto, Manual
    IR LEDs 12
    Lens Type Fixed Lens, Fixed Iris
    Lens Mount Type Board-In
    Focal Length 2.8mm
    Maximum Aperture f/1.85
    Horizontal Angle of View 103°
    Close Focus Distance 35.43" / 900 mm
    DORI Distance Detect: 121' / 37 m at 8 ppf
    Observe: 49' / 15 m at 19 ppf
    Recognize: 26' / 8 m at 38 ppf
    Identify: 13' / 4 m at 76 ppf
    Camera Adjustment Horizontal: 0 to 360°
    Vertical: 0 to 78°
    Rotation: 0 to 360°
    Video Resolution 1920 x 1080
    Frame Rate 30 fps at 1920 x 1080
    30/60 fps at 1280 x 720
    Output 1 x BNC HD-CVI Channel
    Switchable to CVBS, AHD, or HD-TVI
    Transmission Over RG-59/U Coax
    720p: 2624.67' / 800 m
    1080p: 1640.42' / 500 m

    Over RG-6/U Coax
    720p: 3937.01' / 1200 m
    1080p: 2624.67' / 800 m

    Over Cat 6 UTP (Separately Available Balun Required)
    720p: 1476.38' / 450 m
    1080p: 984.25' / 300 m
    Day/Night Auto (IR Cut Filter), Manual
    OSD Menu Multi-Language
    BLC Modes BLC, HLC, DWDR
    WDR Digital
    Gain Control Automatic (AGC)
    Noise Reduction 2D
    White Balance Auto, Manual
    Smart IR Auto, Manual
    Safety Certification EN55032, EN55024, EN50130-4
    UL60950-1+CAN/CSA C22.2 No.60950-1
    Electromagnetic Compatibility FCC CFR 47 FCC Part 15 Subpart B
    ANSI C63.4-2014
    Power Supply 12 VDC ±30%
    Maximum Power Consumption 3.3 W
    Operating/Storage Temperature -40 to 140°F / -40 to 60° C
    Operating/Storage Humidity 90% RH Maximum
    Ingress Protection IP67
    Casing Aluminum
    Dimensions (Ø x H) 3.68 x 3.13" / 93.4 x 79.4 mm
    Weight 0.6 lb / 0.27 kg

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