This is a housing for the data terminal electronics board for the Lamber Kolibri Turbines (that are usually shipped with the naked data terminal board without any housing). The electronics board is held in place by the upper and the lower part of the hosing, no gluing or screwing of the board necessary. The window in the top part of the housing needs to be cut from any transparent plastic and glued into the top part, a cutting template for the windows is included as a print file (Kolibri Fenster). The press button needs to be printed 4 times! Note: I have two Kolibri Data Terminals, one came with the cable attached on the top side of the electronics board and the other one with the cable attached to the lower side of the board. The cable opening in the hosing is designed for a cable that is attached on the top side of the electronics board, so if your board has the cable attached to the lower side you need to either deepen the hole for the cable in the lower part of the hosing or re-solder the cable to the upper-side of the board.