Flatbed Document Camera

CenterCam 3900H2

The powerful CenterCam 3900H2 (QD3900 H2) is a smart document camera and media center all in one. Display objects and documents with unbelievable clarity in HD 1080p resolution with 10x optical zoom and 10x digital zoom.

Text optimization and backlighting make documents and books even easier to read from a distance. Built-in internal memory allows you to capture photos and video during your presentation that can be played back at any time.

Helpful Resources
  • Multiple Input/Output

    Switch between inputs from your computer, display, or other device with the touch of a button.
  • HD 1080p Resolution

    An image so clear that your audience can see exactly what you see, only bigger.
  • High Optical Zoom

    View details with crisp and clear 10x optical zoom and 10x digital zoom.
  • Internal Memory

    With built-in annotation software and internal memory, it’s almost a computer. You can even control it with a mouse.

user-friendly for everyone.

QOMO is always dedicated to powerfully simple technology, which means that we make it easy to use so that you can focus on what you do best. The CenterCam is no exception. It includes an illustrative user guide on the unit, so that anyone is able to feel empowered without any special training. This
makes it perfect for multi-user classrooms, conference rooms, and public spaces!

perfect tool for


The CenterCam’s powerful zoom, high resolution, and well-lit stage make it ideal for displaying documents and evidence to juries, making it a courtroom staple.


Zoom in on excerpts or share objects with your class. Demonstrate lessons live or play back a pre-recorded session.

conference rooms

Share, mark up, and collaborate on documents with your team in real time. Scan document pages with a click of a button.

play it safe with our warranty program.


helpful resources for you and your team.

  • Product Specifications

    Model QD3900 H2
    Image Sensor 5MP CMOS
    Optical Zoom 10X
    Digital Zoom 10X
    Frame Rate 30 fps
    Video Resolution XGA: 1024*768 SXGA: 1280*1024 HD: 1920*1080 720p: 1280*720
    Lights 2x LED Arm lights, 1x LED Backlight
    Camera Rotation Vertically 330°
    Image Rotation 0° / 90° / 180° / 270°
    Focus Auto and Manual
    White Balance Auto
    Effects: Negative/Positive, B&W, Mirror, Freeze Yes
    Image Split & Title Split Yes (*some features available on Windows only)
    Time Lapse Photos Yes
    Onboard Memory Yes (512MB max - photos only)
    USB Memory Slot Yes
    SD Card Slot Yes (32GB max)
    Remote Control Yes
    Mouse Control Yes
    Built-in Mic Yes
    Inputs VGA [RGBDB 15FLC] (1), Audio (1), HDMI 1.3 (1), USB Type A (for mouse control or flash drive) (1), Mic (built-in) (1), RS232 DB9 (1), RS232 PS2 (1)
    Outputs VGA [RGBDB 15FLC] (1), HDMI (1), Audio OUT (Mini Jack) (1)
    Resolution through USB 720p
    Software Compatibility Windows, Mac, Chrome OS
    USB Connector USB 2.0 (Type A, UVC Webcam)
    Power Consumption 12W
    Shooting Area 380 x 285mm
    Dimensions Folded (WxDxH) 20" × 16" × 4.7" (510 × 410 × 120mm)
    Dimensions Set Up (WxDxH) 20" × 21" × 22.4" (510 × 530 × 570mm)
    Packing Dimensions (WxDxH) 23.6" x 7.9" x 18.9" (600 x 200 x 480mm)
    Weight NW: 11 lbs (5 kg), GW: 15.4 lbs (7kg)
    Accessories AC power cord, RGB cable, A-B USB cable, AC adapter, projector RS232 cable (6-pin to 9-pin), software CD, infrared remote control, warranty card
  • Product Downloads

    Type Filename Notes Size
    Icon QOMO 2024 Product Catalog QOMO 2024 Product Catalog - includes BundleBoard interactive flat panel, accessories, document cameras, interactive podium, audience response clickers, and more. 31.77 MB
    Icon QOMO 2024 Document Camera Guide Choose the right doc cam for you with this helpful guide. Featuring all the QOMO document cameras in one place. This makes it easy to select the best document camera to fit your needs. From portable to flatbeds, digital to optical, and wireless to VGA, QOMO has the largest range of document cameras all in one place. In addition – be sure to check out our article on 10 Ways to Use a Doc Cam. 182.69 KB
    Icon Qcamera for Windows MSI Installer Version 2.4 MSI 139.36 MB
    Icon Windows QCamera Software Version 2.4 for Windows If you have access to the Microsoft Store we recommend installing from there. Simply search for "qomo" 140.79 MB
    Icon QD3900H2 User Manual 1.0.38 1.32 MB
    Icon Windows QCamera Software User Manual Version 2.4 745.92 KB
    Icon Qcamera for MAC User Manual Version 2.1 (02_02_2022) 492.88 KB
    Icon Qcamera for Chrome OS User Manual Version 1.2 (02_02_2022) 404.56 KB
    Icon Qcamera for MAC Qcamera for MAC version 2.2 , Requires MAC OS 10.15 or higher. Supports both INTEL and M1 Processor If you have access to Apple App Store it is recommend you install from there. Simply search "qomo". 2.64 MB
    Icon Qcamera for Chrome OS Version 1.2 for the Chrome OS If you have access to the Playstore we recommend installing from there. Simply search for "qomo" 2.24 MB
    Icon CenterCam 3900H2 - QD3900H2 - Product Brochure Downloadable product information and technical specifications for QOMO CenterCam 3900H2 554.81 KB

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