These criminals break into the home with the intent to steal valuables, but they are armed with guns when they enter the house. Fortunately, no one is home and the burglars quickly leave, but your family might not be so lucky. A home invader could threaten your wife, husband, parents, or children. One wrong move by a criminal could rob you of your treasured family members. A home security system would be able to alert you and those in your home of unwanted visitors in addition to alerting the police.