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Ultrasonic Sensors are alternative for Proximity Radar sensor. Protect your vehicle from theft with this ultrasonic sensor kit for use with your car alarm. The ultrasonic sensor kits works by monitoring the air pressure inside your vehicle but when a window or door is opened the pressure levels change and the alarm will be triggered. Ultrasonic Sensors will monitor the inside of the vehicle. Two sensors (left & right) are provided and fitted on each side of the front of the vehicle and pointed towards the rear.
Any break in the line of sight will casuse the alarm to be triggered.
This sensor is compatible with all makes of Hawk Car Alarms.
Simply fit a sensor to each side of the windscreen with supplied screws
Fully adjustable Sensors
Fully Adjustable Sensitivity
Negative Trigger Output
Compatible with any alarm with a negative trigger input (250mA)
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