This type of sensor uses a beam of infrared light to detect movement.
Driveway beam detector.
The sensor can be placed 1000 feet from the receiver but the maximum detection range is only 12 feet.
Unlike a pir unit there are two pieces to an air unit.
The alarm uses reliable electromagnetic vehicle detection to sense when a vehicle is passing through your driveway.
Place one unit on either side of the driveway so that the light emits.
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Infrared beams sense movement with heat and are more common in trail cams and outdoor sensors.
The mighty mule utilizes a sensor wand specially designed to sense its surrounding magnetic field and any disturbances to that magnetic field in the driveway.
With an extensive reception range of 400 ft.
It is sneaky in its appearance and it looks like a solar driveway light than an alarm.
The driveway informer driveway alarm is designed to be wireless and battery powered.
Safety technology s driveway monitor is a slim and attractive looking device.
Installing this device is much easier.
It adds security and convenience to your property.
Magnetic probes only sense metal making them less prone to false alarms triggered by pets or kids playing in the driveway.
The driveway alarm sensor and receiver can be placed 1 000 feet from each other to help protect your home within a distant range.
With electromagnetic technology the wireless driveway alarm avoids false alarms from an animal or person.
Driveway sensors use similar technology other motion sensors use.