Directed 508D Invisibeam Field Disturbance Sensor

Here is another gadget that helps keep thieves away from your car. The Directed 508D Invisibeam Field Disturbance Sensor creates two invisible fields around your vehicle. It can offer a warn away response or full alarm when activity is detected around your vehicle.

This sensor can detect high density objects using RF field disturbance technology. It is ideal for convertibles and most other cars.