Measurement Display: Readings & Data Visualization

Hi there. I'm looking for a digital display unit for measuring values. I saw something like that online before, but unfortunately I don't remember where. It was a roughly 10 x 4 cm digital display with a control box that you could plug directly into the diagnostic connector to display things like engine temperature, boost pressure, fuel injection volume, etc. The whole set was offered for €120.
Does anyone have any idea where I can get this?

What is this? / What's this?

http://shop.dieselschrauber.de/product_info.php/products_id/38