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Stay Alert with a Motion Sensor Alarm

The prospect of burglary or any other crime is surely frightening to any homeowner.  Luckily, a motion sensor alarm can help to deter and prevent such crimes. There are several different types of motion detector alarms; each one fits different purposes and needs. Knowing the differences between the alarm types is the first crucial step to picking a motion detector alarm.

The Three Types

There are only really three types of motion sensors: microwave, ultrasonic and passive infrared sensors. They all work in different ways and have benefits and drawbacks.

A microwave motion detector works in a similar fashion to police radar guns. It sends out microwaves that are reflected back when there is motion in the surrounding area. Microwave motion detectors are relatively inexpensive to implement as alarm systems, but they are not as effective or accurate as other types.

Ultrasonic sensors send out sonic pulses that are reflected back when there is motion in the vicinity. These work in a similar fashion to sonar systems. Both the ultrasonic and microwave motion sensor alarm emit energy in order to function properly.

Passive infrared sensors, on the other hand, simply look for body heat. They do not send out any energy into the vicinity, which makes them harder to detect by savvy thieves.

Looking for More Accuracy?

If you’re looking for more accurate alarms, then you can combine two or even three motion detector technologies into the same device. When several of the technologies are utilized at the same time, the result is a heightened accuracy level. Many homeowners may opt for this option for this very reason.

No matter which solution you choose, it is worth considering getting a motion sensor alarm for your home security purposes. There are many options for security once you get a motion sensor alarm. For example, some people choose to link their motion detector alarm to night vision cameras for added safety.

Picking a motion sensor alarm isn’t an easy process, as there are many types from which to choose. However, knowledge of the different types of motion detectors on the market can make the process easier and more straightforward. A motion detector alarm is a must when considering a new home security system or an update to your current one.

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