, This device is a tripline-activated early warning intrusion detector which alerts the observer while the intruder remains unaware that he has
Infrared Perimeter Silent Alarm
Use these 2 bright LED beams and receiver alarm to lay the ultimate trap. Find out who's been swiping your stuff in the middle of the night. This 3 piece set helps you set a 360 degree trap around valuables of all kinds - cookies jewelry even your own bed. You can customize the response so that it either sounds the alarm or flashes lights when the lazer beams are crossed alerting the trap lay-er that his goods have been compromised.
SpyX Lazer Trap Alarm
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INFRARED VISIBLE TRIP WIRE
IR tripwire lets you see them coming from a mile away under NVG. : r
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(Output current: 200mA. Product size: 60 12mm. Wire length: 1.5m. excluded.).
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Detecting mid-infrared light, one photon at a time