On Dec 7, 4:02 pm, wrote:

I've always wondered, why do people buy burglar alarms? No-one pays
any attention to them when they go off, and a dummy box on the front
of the house would surely just put enough doubt into the opportunistic
criminal's mind to send him to the house next door instead.

That's what I've got, with a battery powered flashing LED that keeps
going for over 5 years on a couple of D Cells.