A driveway alarm gives you a heads up when someone enters your property. For homes and businesses alike, that early warning brings peace of mind and an extra layer of security. The trouble is, not every driveway alarm works the same way. Some react to the weight of a vehicle, while others sense heat or anything that crosses an invisible beam.
Driveway alarms use different sensors to detect movement or vehicles entering your property. The four main types are rubber hose sensors, magnetic probe sensors, infrared break beam sensors, and passive infrared (PIR) sensors. Each one of these sensor types works in a unique way, so the right choice depends on what you want to detect and where you plan to place your driveway alarm. Learn about the differences between these options below, or contact Reliable Chimes & Security today for assistance selecting the right driveway alarm for your home or business!
Rubber Hose Driveway Alarms
A rubber hose sensor sits across your driveway and responds to pressure. When a vehicle rolls over the hose, the air inside it shifts and triggers the alarm. Because the hose reacts to weight, it does a great job of picking up cars and trucks while ignoring smaller movements like animals or blowing leaves.
This type works well for driveways where you mainly care about vehicle traffic. It stays reliable in bad weather since it does not depend on heat or light to function. Keep in mind that the hose is exposed on the ground, so it can wear over time and may need occasional replacement.
Magnetic Probe Driveway Alarms
A magnetic probe sensor detects metal. You bury the probe beside your driveway, and it senses the magnetic disturbance created when a car or truck passes by. Since it only reacts to metal objects, it will not sound off for people walking, wildlife, or falling debris.
This makes the magnetic probe a strong pick if you want a driveway alarm that responds to vehicles only. The buried design also keeps the sensor hidden and protected from the weather. On the flip side, it will not alert you to visitors on foot, so it may not suit every property.
Infrared Break-Beam Driveway Alarms
An infrared break beam system uses a transmitter and a receiver placed on opposite sides of your driveway. The transmitter sends out an invisible beam of infrared light to the receiver. When anything crosses the path and breaks that beam, the alarm goes off.
Break beam sensors are versatile because they detect people, vehicles, and animals alike. They give you precise coverage across a set line, which helps if you want to guard a specific entry point. The main thing to plan for is alignment, since both units must line up correctly to work well.
Passive Infrared Driveway Alarms
A passive infrared sensor, often called PIR, detects heat and motion. It watches for changes in infrared energy, so it reacts when a warm body such as a person, animal, or running vehicle moves through its field of view. Unlike a break beam system, a PIR sensor needs only one unit to cover an area.
PIR sensors are popular because they are easy to set up and cover a wide zone. They pick up a broad range of movement, which is great for general awareness. That same sensitivity means they can trigger on passing wildlife, so placement matters if you want to cut down on false alerts.
Shop Driveway Alarms Online from Reliable Chimes & Security!
If you are interested in purchasing an affordable, high-quality driveway alarm for your home or business, please visit the Reliable Chimes & Security online store to see our full selection of driveway alarms! If you have any questions about driveway alarm selection, please don’t hesitate to contact us today. Give us a call at (800) 641-4111, where we would be happy to help!