With these Lazer Trip Wires you can set up an invisible perimeter to alert your of any unwanted invasions of your “space”. The devices don’t actually use real laser beams (hence the spelling ‘lazer’), but use infrared beams to create an invisible trip wire that sets off an alarm when anyone crosses it.
The kit comes with three devices, one main and two secondary units that each send and detect a beam. You can set up two that point at each other or all three or more to create a perimeter. Each …
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