As pictured perimeter alarm, that is not modified.

5- perimeter alarm heads and spring kits that are installed.

THESE HAVE NOT BEEN MODIFIED IN ANY WAY!

Alarms can be used with or without the spoons.

No shipping outside of the US, California or to PO Boxes.

If you have questions please contact me before purchasing and I will be glad to answer any of your questions.  Check out my other listings and reviews.

Thanks