This circuit is a laser alarm system like the one we see in various movies. It uses a laser pointer beam to secure your valuables and property. Essentially, when the beam gets interrupted by a person, ...
LAS VEGAS -NextAlarm.com, announced on May 8 at The Cable Show here an agreement with LaserShield Systems whereby LaserShield will market its new Sparrow device, which plugs into a client's Internet ...
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