Personal Laser Tripwire – what every budding spy buddy needs!

Gadgetry Blog has just found my Father’s day gift!!

 

ThinkGeek has these fun gadgets so you can setup your very own personal protection system.  The devices use infrared beams, not actual lasers to setup the perimeter defence. When all the units are connected, a nice voice will announce “System Armed.” Break one beam, though, and an alarm will sound, alerting everyone to the security breach.

 

 

Now I just need to work out how to get the dog to charge in to the rescue when she hears the alarm go off…….