How do you set up GPS boundaries on a Gizmo gadget?

[COTT83]

How do you set up GPS boundaries on the Gizmo gadget?  I want to draw a map of our neighborhood and make sure that my 8 year old son doesn't cross those perimeter lines.

[LENNYEDGE]

sad news, but there's none on this site, but there is one that sends alarm to you outside a boundary and its free.Prey Anti Theft - Android Apps on Google Play

also after setup.set boundary via pc ot otherwise.