Product Description
Ultrasonic Directed sensor
The 509U sensor is used to provide coverage inside the vehicle cabin. The sensor detects movement inside the vehicle through sensors, air disturbance. The sensor will trigger the alarm when a thief tries to gain access to the interior of your car.
Detects changes in air pressure in the vehicle cabin.
Adds extra protection when used in conjunction with other security systems. Detecting a thief when entering the vehicle without breaking glass.
Effective only when all entrances are closed and secured (doors, windows and sunroof).
Not recommended for CONVERTIBLE VEHICLES.
