On Thu, 8 Sep 2016 18:45:48 +0100, "ARW"
wrote:

I know that it is a 30mm by 4mm glass capusle with some electronics inside
it.

But other than that I have no idea.

http://wiki.diyfaq.org.uk/images/2/2f/Wtf1.jpg

Looks like the chip from inside a car key albeit 2 times too big. How
about an anti theft device for contractors plant?

AJH