The small, cost-effective solution


  • Fully support of newest smart tachograph generation e.g. DTCO 4.0
  • Mobile device in practical cellphone format: meet the legal obligations for downloading and archiving in an instant
  • Data is read from the tachographs and driver cards and can be then transferred to a PC
  • Simply insert the key in the six-pin port on the tachograph
  • Idealy for small fleets and owner-operators
  • Can be used for all 12-volt and 24-volt digital tachographs
To the shop


Read and store mass memory data from the digital tachograph and driver card easily and conveniently. The DLK Pro Download Key S makes it simple There is enough memory for approximately 6,000 quarterly downloads, making it ideal for small fleets and owner-operators. It is also possible to transfer the data to a PC via the USB interface.

The latest downloads, download status, battery charge level, available storage capacity and even a reminder function to ensure that statutory download periods are shown on the 2.2-inch color display on the DLK Pro Download Key S.

DLK PRO Lincense Card for DTCO 4.0

DLK PRO Lincense Card for DTCO 4.0 Make your DLK Pro fit for DTCO 4.0

This new licence card have just to be inserted into the integrated card reader of the key and you are ready to download and evaluate data from the intelligent tachograph DTCO® 4.0 with its new cards in proven quality, reliability and functions.

This update process is valid for the upgrade of following DLK Pro Keys:

  • DLKPro Download Key
  • DLKPro TIS-Compact
  • DLKPro TIS-Compact (EE)
  • DLKPro Inspection Key

Simply insert the device in the front interface of the digital tachograph and it begins the data download. The driver card can also be downloaded separately using the card reader integrated in the key. You can then transfer the data to your PC via a USB port and analyze it with the software provided. The integrated SD card reader even allows you to create back-up copies of the data (additional SD card required). The data can be read directly on site on the 2.2-inch, color TFT touch display. Self-explanatory images guide you through the menu. The DLK Pro Download Key S covers all the requirements of fleet managers, owner-operators and supervisory authorities.

  • DLK Pro Download Key S
  • USB extension cable
  • Printed quick reference guide and operating manual (digital copy on key)
  • Hand strap
  • Windows 10, Windows 7, Windows Vista or Windows XP, all with latest service pack
  • Free USB interface on a PC.


These products provide you with further opportunities for efficient fleet management.

DTCO® 3.0

DTCO® 3.0



DTCO® SmartLink Pro

DTCO® SmartLink Pro