Spy Gear Laser Tripwire
Wild Planet Spygear lazer trip wire protects your stuff with the kind of light beam system that banks and museums use
Security system for kids that uses safe light beams. Kids can make mazes of lasers in their rooms to create a hi-tech security system. Includes three emitter sensor pairs to make three connecting beams. The beams are invisible to intruders but not to you. Use the light-up water mist to illuminate the beams and avoid setting off the alarm. System is expandable by adding more units.