1) Clean counter top with spray cleaner.
2) Hold down lens while turning unit upside down.
3) Peel tape from adhesive strips on bottom of unit..
4) Install to counter top while applying firm downward pressure.

* Each AdverPen™ unit comes with one multi-tool included which is used to change Ad Cards, and to change pen cartridges.  If your multi-tool has become lost you may get a free replacement by calling our toll free number 1-877-273-6131