Having an answering machine was hi-tech when I went to uni in the late 1980s. Now the kids' dorm rooms are chock-a-block with desktop computers, laptops, MP3 players, DVD players, high end tellys, microphones, webcams, mobile phones, PDAs, wireless routers, surround sound speakers, and tons of other wizardry crammed into their own personal Ikea-ville.

LaserShield has decide its high time students, renters, and small business owners have an affordable security option. Both a 105-decibel siren alarm is triggered when the ...