Motion Detecting Sensors Frequently Asked Questions

What Is a Motion Sensor?
Most alarm systems will have at least one motion sensor installed. These devices are great for detecting unwanted break-ins. Find out what motion sensors are and how they work.
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What Is a Motion Detector?
Motion sensors represent one of the most commonly used security sensors in homes and businesses. These devices are used to detect movement. Find out what a motion detector is.
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How are Motion Detectors Wired to a Panel?
A hardwired motion detector will normally use a 4-wire connection with the panel. Two wires will transmit data, and the other two transmit power. Learn about motion sensors.
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What Is a Dual Action Motion Sensor?
When a motion sensor uses both PIR and microwave technology, it is often referred to as "dual-action" or "dual-tech". Learn about dual action motion sensors and how they work.
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What is a Walk Test?
You should perform a Walk Test after installing a new motion sensor to make sure it responds properly and won't cause false alarms. Learn about Walk Tests and how they work.
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Does a Honeywell VISTA 20P Support Motion Sensors?
A Honeywell VISTA 20P can support hardwired motion sensors. It can also support 345 MHz wireless sensors if a wireless receiver is added. Learn about motion sensors.
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What is an Interior Follower Zone?
When a zone is set to interior follower, it will trigger an alarm if the sensor is activated while the system is armed away. Learn more about the interior follower Response Type.
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What is a PIR Motion Sensor?
Passive infrared (PIR) technology is the most common method for detecting motion. This involves looking for changes in infrared energy. Learn about PIR motion sensors.
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Do Cats Set Off Motion Detectors?
Animals can activate motions if they are able to get in their direct field of view. This is usually the result of a poor installation. Learn more about pet-immune motion sensors.
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Do Alarm Motion Sensors Work Through Glass?
Motion sensors detect changes in infrared (IR) energy. This cannot be done through modern glass, so motion sensors do not sense through glass. Learn more about PIR motion sensors.
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