PERIMETER PROTECTION Exterior or perimeter protection devices generally consist of sensing mechanisms attached to doors and windows leading into the home. These devices, which can either be hard-wired or wireless, trigger an audible alarm if a break-in is attempted. At...

Professionally installed security systems have been shown to be one of the most effective means of deterring criminals. Consider the following: A Temple University study found that a home protected by a security system is 2.2 to 3.1 times less...