Basic home security alarm systems monitor doors and windows and provide a panic button. From the basic system, homeowners can add as many or as few add-ons as they wish. Basic home security alarm systems from the two top companies typically include: control unit, touchpad, motion detector, interior sounder, door/window sensor, transformer, battery backup, police emergency button, fire emergency button, keychain controls, window decals and yard signs. Add-ons to the home security alarm system include a variety of components. Some are temperature change sensor, glass breakage sensor, water leak sensor, additional motion detectors, additional door/window sensors, smoke detectors, carbon monoxide detectors. Temperature change sensors monitor temperature and notify the homeowner whenever the temperature falls below or goes above the set temperature. This is a good way to monitor temperature where freezing is an issue and where sensitive equipment or collectibles are concerned. Home owners in rural areas have been known to place a temperature sensor in outbuildings housing water supplies. The sensors are turned on during cold weather conditions when water pipes could freeze. Glass breakage sensors offer the security of knowing that if an intruder tries to break, cut or smash glass, the alarm will sound and the homeowner will be notified. Home security alarm systems with water leakage detectors can notify homeowners whenever a leak occurs. Automated systems can actually turn off the water supply. Basic systems come with only a few motion detectors. Large homes or homes with large rooms may require more sensors for adequate coverage. Home security alarm systems can be set so that if a family member leaves a bedroom during the night, the alarm sounds and alerts the homeowner. This sort of setting is good for situations where family members suffer from Alzheimer's or dementia and could come to harm wandering the home alone. It's also an excellent way to monitor difficult teenagers and prevent them from sneaking out of the home. Door and window sensors alert the homeowner when doors or windows are open or aren't completely closed. Teenagers can't leave a window or door unlocked without the alarm system notifying the homeowner. Many systems issue a 'beep' when doors are opened and closed. This alerts homeowners to any entrance/exit. Some basic home security alarm systems require a police and fire button on the touchpad to be added optionally. These buttons are preprogrammed with the local police and fire telephone numbers. When the homeowner pushes the button, the appropriate emergency service is notified. Smoke detectors and carbon monoxide detectors are now being offered as home security alarm system add-ons. Smoke detectors signal the system whenever fire, smoke, or carbon monoxide are detected. The homeowner is alerted. If the homeowner is paying for subscription monitoring, the monitoring company will notify police and fire. If the homeowner is not paying for monitoring services, the homeowner will have to call authorities. Home security alarm systems offer homeowners a way to monitor safety and security of property and premises. Available systems offer a variety of optional add-ons, allowing customization of the system.
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