Magnetic probes only sense metal making them less prone to false alarms triggered by pets or kids playing in the driveway.
Driveway beam detector.
Unlike a pir unit there are two pieces to an air unit.
Safety technology s driveway monitor is a slim and attractive looking device.
The sensor can be placed 1000 feet from the receiver but the maximum detection range is only 12 feet.
With an extensive reception range of 400 ft.
Place one unit on either side of the driveway so that the light emits.
It adds security and convenience to your property.
With electromagnetic technology the wireless driveway alarm avoids false alarms from an animal or person.
Driveway sensors use similar technology other motion sensors use.
Installing this device is much easier.
It detects motion within 50 feet of the receiver and is expandable to add multiple alarms to work around your home s vicinity.
The driveway informer driveway alarm is designed to be wireless and battery powered.
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.
However they re much more expensive.
Infrared beams sense movement with heat and are more common in trail cams and outdoor sensors.
The alarm uses reliable electromagnetic vehicle detection to sense when a vehicle is passing through your driveway.
This type of sensor uses a beam of infrared light to detect movement.
More product details close.