Compact Value Line 4-Channel Digital Video Recorder.

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4-Channel Digital Video Recorder with 1-Channel of Audio. Real Time D1 recording (120-ips) with H.264 Compression.

Product Features:
  • 4-Channel Digital Video Recorder with 1-Channel of Audio
  • H.264 Compression with Real Time 120-ips at D1 Recording
  • Multiple Recording Modes: Time-lapse, Event and Pre-event
  • Client-based Remote Software (CMS) Features Live Viewing and Image Search/Playback from a Remote Location
  • Search Modes: Calendar, Date/Time and Event
  • Event and Alarm Notifications through CMS or Email Server
  • Programmable Video Motion Detection, Alarm In and Video Loss Alarm Inputs by Camera
  • PTZ Camera Control Via RS-485 Connection
  • IR Remote Control Included


  • VLD4500

    4-Ch, DVR, H.264, VGA, USB, 500GB HDD


  • Video Input

    Composite: 4 inputs (non looping)

  • Monitor Outputs

    Composite: One (BNC) Main Video, 1Vp-p, 75-ohms; Analog: RGB: VGA (DB-15)

  • Display Resolution

    720x480 (NTSC)

  • Record Resolution

    360x240, 720 x240, 720x480 (NTSC)

  • Playback/Record Speed (ips)

    120-ips (D1) /120-ips (2CIF) / 120ips (CIF)

  • Display Divisions

    1, 4 (quad)

  • Zoom


  • Quality

    5 levels (Highest, High, Normal, Low, Lowest)

  • Record Mode

    Manual, Schedule, Event (Motion, Sensor, Video Loss)

  • Codec



  • Alarm Input

    4 (dry contact)

  • Alarm Output

    1 relay output, terminal block, NC&NO

  • Network Connectivity

    10/100 Base Ethernet

  • Audio Input

    1 line level

  • Audio Output

    1 line level


  • Video Input

    Composite: 75Ω Termination: 4 BNC, Non-looping

  • Monitor output

    Composite: 1-BNC, 1-VGA (15-pin D-sub)

  • Audio Input

    1 RCA

  • Audio Output

    1 RCA

  • Alarm Input

    Up to 4 external sensor, Terminal Block

  • Alarm output

    1 Relay, Terminal Block

  • Ethernet Port


  • RS-485 Serial Port

    Terminal Block

  • USB Port

    1-front panel, 1-rear -v2.0

  • IR Port

    1 front panel, remote control


  • Primary Storage

    1 HDD; 500GB

  • Backup Storage

    USB (HDD, CD-RW, Flash Drive)

  • Dimensions (WxHxD)

    7.4" x 2.1" x 8.2" (188 x 54 x 209mm)

  • Unit Weight

    4.4 lbs. (2.0kg)

  • Shipping Weight

    4.8 lbs. (2.2kg)

  • Operating Temperature

    4ºF - 104ºF (5ºC - 40ºC)

  • Operating Humidity

    30 - 80%

  • Voltage

    12VDC via 120VAC power adapter

  • Power

    Max. 50W (4.2A)

Conformity Certifications

  • DVR

    FCC, CE, RoHs

  • Power Adapter

    UL, CE, FCC, RoHS


  • LB3S

    DVR Lock Box, Small, Black

Specification Sheet

User Manual

Product Support

ATV’s Customer Support Center is available to support you from 7am to 7pm CST at 888-288-7644, or contact us here. We also offer online web access through our “Go-to-Assist ”, which allows remote connection to your computer for proper NVR and DVR communication programming.

Product Warranty

We offer an industry-leading, 36-month unlimited warranty that covers defects in design, workmanship and materials. Compare that to the competition’s limited warranties. Please refer to Warranty document here for exceptions.