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  • Optex Outdoor Perimeter Protection PIR- BX80N

    BX-80N starts your security BEFORE burglars get inside. This attractive and low profile outdoor PIR detects up to 40' on each side, creating an 80'x 3' detection pattern. BX-8 Learn More

  • Optex REDWALL Superior Intelligent PIR Detector 130'x13'

    The REDWALL Super Intelligent PIR Detector isn't your ordinary detection device. Meant to be used with your surveillance system, this sturdy and durable unit is an outdoor motion sensor able to detect moving objects within an impressive and virtually unmatched 130 x 13 feet wide, and uses a rotating 3-axis accelerometer to warn of subversion reorientation and make sure that nothing in its path goes unnoticed. What makes this unit truly sophisticated, however, is its high-tech sensitivity feature that lets it discern between moving objects and changing weather conditions. The sensitivity feature can be adjusted to low, medium or high, and is meant to eliminate any chance of a false alarm. Learn More

  • Optex Wireless Ready Outdoor Perimeter Protection PIR- BX-80NR

    The BX-80NR is quick and easy to install. This unit requires no complicated wiring as it is a battery operated PIR detector that uses most any brand wireless transmitter. Not only does one save on installation time and Learn More

  • Optex's outdoor detection

    Optex's advanced PIR technology takes a giant leap into the future of outdoor detection. Our patented design allows this sensor to adapt to many different applications and Learn More

  • Optex's outdoor infrared (LR)

    OPTEX's outdoor detection offers many advantages for your business. The LX-402/802N is not only simple to install, but provides greater reliability against false alarms caused Learn More

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Infrared Motion Detectors

Infrared motion detectors are critical to any home security system, but most security kits only come equipped with one. If you want to maximize your system, it pays to invest in at least two or three additional motion detectors for inside and outside the house. is proud to offer a wide selection of high-quality motion infrared motion detectors for every major system.

The Science of Infrared

An IR motion detector uses a sensor to detect the infrared radiation produced by body heat. This kind of heat can be detected, but not seen by the human eye. The technology is extremely accurate, and makes it virtually impossible for criminals to slip into a secure environment undetected.

Preventing False Alarms

Heat alone isn’t sufficient to trigger an alarm. The most advanced IR motion detectors only trigger an alarm when the detected heat has the correct temperature, motion, and timing associated with an intruder, thus safeguarding against false alarms. This means the detector will reject false alarms caused by spot temperature changes such as small to medium sized animals, air conditioners, or moving curtains. At, our IR motion detectors are not only extremely advanced, but also easy to install.

Situating Your Motion Detector

The placement of your infrared motion detectors is just as important as the selection you make. Of course, your detectors should be placed in vulnerable areas both downstairs and upstairs (assuming you have a two-story house). However, there are other areas of the home that you may not have considered, including the corner of the house leading to the stairway, and in front of the stairway itself. This will enable you to protect the area leading to the second floor and into specific bedrooms.

A Variety of Options

When a presence is detected, most IR motion detectors send a signal to the control panel to trigger the alarm. But some detectors are equipped with their own alarms, and many will sound an alarm whenever someone tries to tamper with the mechanism.

Order Today offers the best prices on the most sophisticated infrared motion detectors, and we also offer same-day shipping. So order yours today, and take advantage of the superior deals only found at


Minimal Price: $11.50