Driveway Alarms Sends Alerts When a Car Enters Your Driveway!
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Driveway alarms typically come with three driveway monitoring sensor types. The sensor/transmitter is usually an outdoor rated Passive Infrared Sensor (PIR), Magnetometer Probe, or a pnuematic rubber hose.
Three Main Differences in Driveway Monitor Sensor Types
What’s the difference?
PIR sensors are the most popular. These sensor will detect a combination of heat and movement to trigger. A magnetometer will detect large metallic objects moving through the monitored zone to trigger.
Which one should I choose?
Ultimately, it comes down to the a) type of sensor you need, and b) how far it is from the transmitter/sensor to the remote receiver.