Families are aware simply from the examples seen on the eveningnews that the world can be a harsh and violent place. The home hasalways been considered a sanctuary set apart from the way the restof the world conducts itself. It is supposed to be a private placeof safety and security where members who live together as a familyin the home can be at ease.The purpose for security alarms is to give advance warning todanger or intrusion. Modern home security alarms are advanced tothe point of allowing a homeowner to have sensors and otherequipment installed in less than a day. The installed system cangreatly improve overall protection of a home. There are sensingdevices available to detect fire, smoke, carbon monoxide (CO),environmental temperature changes, water leaks, door and windowopening or