Each Tibbit has a label displaying its number and function.

A small micro-QR code encodes the Tibbit number as well. This number is a four-digit code. The first three digits in the code represent the module's number and the fourth digit indicates the device version (some Tibbits have more than one version available).

For example, if the code is 0032, then this is Tibbit #03, version 2:

The label for Tibbit #03-2.