[Boatanchors] Security System

[Robert Nickels]

david knepper wrote:
> Would anyone know where one could purchase a relatively inexpensive 
> security system that would detect someone coming up a long driveway.  
> The detector would send a wireless signal to the house to alert the 
> resident that someone is coming up the driveway.  Of course, the 
> detection unit would have to work from batteries.
>
> I have done a cursory search but to no avail.

It must have been VERY cursory as a Google search of "Driveway Alarm" 
produces 2.9 million hits.  

But none use boatanchors, thus off-topic for this list.

73, Bob W9RAN