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--LaserShield Systems this week announced that its new Instant Security System is now available nationwide through CompUSA stores. The security system is a plug-and-go standalone product ...

A home alarm system will automatically call the police in the event of a break-in, but by the time officers arrive, the intruders may have already taken your valuables. So this laser security system ...