How Do Motion Sensors Work

Motion sensors are devices that detect movement in their surrounding environment. These devices are vital for your home security system to let you know when intruders may be in your home. But how exactly do they work, and how can you effectively use them in your daily life or business? Let's dive into the fascinating world of motion sensors to uncover their inner workings and practical applications.
What are Motion Sensors?
Motion sensors, also known as motion detectors, are electronic devices that are designed to detect and measure movement within a specific area. They work by detecting changes in infrared radiation, ultrasonic waves, or microwaves, depending on the type of sensor.
How Do Motion Sensors Work?
Most motion sensors operate based on the principle of detecting changes in the environment. For example, passive infrared (PIR) sensors detect infrared radiation emitted by objects in their field of view. When a warm object, such as a person, moves within the sensor's range, it triggers a response, such as turning on a light or sounding an alarm.
Benefits of a Frontpoint Motion Sensor
The Frontpoint Motion Sensor is the best motion sensor on the market, offering many benefits. Some of the features include:
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Wide reaching detection capabilities
- Detects motion up to 40 ft away, with a full 90° range
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Won't mistake pets for intruders
- Pets that weigh 85 lbs or less are undetected with Pet Immunity; they won't trigger an alarm while the system is armed
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Adjustable sensitivity
- Remove Pet Immunity if desired, increasing sensitivity
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Long-lasting battery life
- Lasts up to 5 years
- Frontpoint mobile app will indicate when the battery is low
- Attractive, inconspicuous design
- Easy, peel and stick installation
- Works with Frontpoint mobile app
You can easily install and use these motion sensors. They come pre-programmed to sync with your Frontpoint Hub or Display Hub+, right out of the box. Using advanced wireless technology allows users to communicate seamlessly with your entire system. Get yours today!
Frontpoint keeps homes safe whether families are there or not. To shop DIY home security systems, check out our products page. If you have questions or would like to discuss a quote, contact us at 855-866-4409.