the next step in the evolution of the driveway alarm....

extremely reliable ...
lets you know any time a vehicle enters or leaves the driveway
Wireless Motion Alert 3000
Wireless Probe Alert 3000 
Wireless Rubber Hose Alert 3000
Hard Wired Vehicle Sensor 
The WMA-3000 is the next step in the evolution of the driveway alarm.
The WPA-3000 is an extremely reliable driveway alarm that is used to detect vehicles only.
The hard wired vehicle sensor lets you know any time a vehicle enters or leaves the driveway.
The WRH-3000 is a very reliable and easy to install driveway alarm