An infrared motion detector works by using beams of infrared light to detect changes in heat.
Laser beam security alarm.
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For the tripwire to work the laser pointer needs to be constantly on.
A driveway alarm system can be designed to suit your exact requirements using any combination of products.
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In this configuration the laser pointer is mounted to one side of the walk way and the alarm circuit is mounted to the other.
Create an invisible undetectable protective barrier around your home when you install any type of perimeter and entry alert sensors.
Perimeter sensors use infrared ir passive infrared pir or light detecting sensors to monitor your surrounding property.
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Wireless driveway alarm motion detector 1000ft long range 36 melodies outdoor motion sensor alarm weather resistant home security alert system monitor protect indoor outside property.
Seco larm e 960 d290q enforcer twin photobeam detectors with laser beam alignment 290 590 feet sensing range nc no alarm output n c.
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With the safety beam you know when someone crosses the line.
When a person moves into the beam of light the sensor is alerted by the body heat given off by the individual.
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The simplest way to set up your alarm is as a single beam tripwire.
This high tech device creates an invisible infrared beam up to 60 feet long and sounds a loud alarm or pleasant chime when the beam is crossed.