Show Home security systems are a sound investment According to the National Na Rome nome Improvement Co Council security systems for tor the tJ home continue to enjoy popularity among the nations nation's homeowners Some Bome excellent crime and lire fire deterrent securIty security ity systems have been developed de and are currently doing a brisk business on the market Generally smaller than the average stereo component component component com com- these units in include in elude clude provision for tor both fire tire and burglar alarms alanna tied In with a local central cen traI station When the system detects detects detects de de- an Intrusion or smoke It Immediately relays relays re reo re- re lays a signal to the station sta ata- tion from which security personnel notify police or fire departments The system Is p i ve l Q d from disrupting normal family activity by a personal per code tapped out on ona ona ona a series of ot keys Another more mo elaborate rate system actually senses the presence of ot Intruders by means of ot ultrasonic waves This same system can also detect when secured doors and windows are opened |