5M Auto-Focus Camera

Whether scanning barcodes or capturing signatures, the 5-megapixel auto-focus camera ensures clear visuals every time.


Built-in Thermal Printer

With the built-in 58mm thermal printer (no need for additional equipment), printing receipts has never been easier.


Multiple Connectivity Options

Offers the flexibility to connect via Ethernet, USB to Ethernet, or by utilizing the convenience of WiFi.

With a 5-megapixel auto-focus camera with flash, a built-in thermal printer, and versatile connectivity options—the Dejavoo QD4 payment terminal packs advanced features into a compact device. The 5.5-inch color LCD touchscreen ensures intuitive, user-friendly navigation for you and your customers. Revolutionize your payment operations with the Dejavoo QD4.

Dejavoo QD4 Terminal Technical Specification

Operating System

Secure Android


[email protected]


1GBRAM and 8GBFlash


18.8 in. x 8.5 in. x 6.9 in.


0.44 lbs.


Ethernet-USB to Ethernet or WiFi(nodial)

Contactless / NFC






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Frequently Asked Questions

Setting up the Dejavoo QD4 is a straightforward process. Here’s a step-by-step guide:

  1. Unbox the Dejavoo QD4 and ensure you have all the necessary components, including the terminal, power adapter, and any accompanying cables.
  1. Connect the power adapter to the terminal and plug it into a power outlet.
  1. Power on the terminal by pressing the designated power button or following the manufacturer’s instructions.
  1. Follow the on-screen prompts to select your language and set the date and time.
  1. Connect the terminal to your preferred network. You can choose between Ethernet, USB to Ethernet, or WiFi connectivity, depending on your requirements.
  1. Once connected, the terminal will prompt you to enter your merchant account information. Follow the instructions provided and enter the necessary details accurately.
  1. Perform any software updates or configurations recommended by the terminal or your payment processor to ensure the latest features and security protocols are in place.
  1. Test the terminal by processing a sample transaction to ensure it is functioning correctly.
  1. Optionally, customize additional settings, such as receipt printing options, cash discount or surcharge programs, and any specific preferences for your business.
  1. Congratulations! Your Dejavoo QD4 is now set up and ready to process payments. Refer to the user manual or contact customer support for any further assistance.

Please Note: Specific setup instructions may vary, so it’s always recommended to consult the user manual provided by Dejavoo or reach out to their customer support for detailed guidance tailored to your device.

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