It should be part of a burglar alarm system. This is for a door.
It is very unlikely that people can get around.
I am thinking about this one
http://www.ebay.com/itm/320940785000
idea
It should be part of a burglar alarm system. This is for a door.
It is very unlikely that people can get around.
I am thinking about this one
http://www.ebay.com/itm/320940785000
idea