Directed 509U
The 509U is used to provide coverage of the vehicles interior cabin area.
The sensor detects movement inside the vehicle by sensing air disturbance.
The sensor will trigger the alarm if a thief tries to gain access to the interior of your vehicle.
- Ultrasonic Sensor for Security Systems
- Detects air pressure changes in the cabin of the vehicle
- Detect thieves entering vehicle without glass breakage
- Effective only when all entrances are secured and closed (doors, windows, and sunroof)
- NOT RECOMMENDED FOR CONVERTIBLE VEHICLES
- Dimensions: 4.5"L x 5.3"W x 2"H