"Kurt Gavin" wrote in message
nk.net...
I'm talking about those standard roadside USPS boxes.

Mine's in front of the house and I'm wondering if there's a gadget that
can tell you by sight, or maybe electric trip switch, if there's something
in the box.

Thanks



Simply balance / place a tennis ball or equivalent on top of the box. Tie a
string to the ball. When the ball is down, your box has been disturbed.

Ivan Vegvary