/Canada_Car_Alarms.gif)
        |
Go Back
|
|
.jpg) Ultrasonic Sensor For Most Car Alarms |
 Ultrasonic Sensor works by monitoring air-pressure levels. The act of opening a door or forcing a window creates a change in pressure which triggers the alarm. Ultrasonic sensors fill the interior of your vehicle with inaudible ultra-high frequency sound waves. Any disturbance will cause the alarm system to trigger. Only suitable for hard top and fully enclosed vehicles. |
|
- Interior movement protection sensor. - The sensor detects movement inside the car by sensing air disturbance. - Triggers Alarm if thief gains access to interior of the car. |
||
/15.gif) |
|
|