Home Alarm System : What is it?
| Home alarm systems protect homes from common hazards such as fire, theft, and intrusion. They are usually connected to a control unit, which emits a loud alarm to alert homeowners or scare off the intruder. They may be hard-wired to the system or connected via radio frequency (RF) signals. They are often used with other security devices, such as home security cameras. Some models offer only specific types of security, such as fire protection or burglar alarms, while others include all forms of protection in one device. |
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Kinds of Home Alarm Systems include the following: |
Smoke detectors
- Smoke detectors detect abnormal smoke levels to determine possible fires.
- They are usually placed in rooms with high fire hazards, such as kitchens and fireplaces.
Glass detectors
- Glass detectors are designed to detect breaking glass from doors or windows, which is a common sign of intrusion.
- They work by emitting a constant stream of sound waves, which is disturbed by the sound of breaking glass.
Motion detectors
- Motion detectors emit infrared or electric current across doors, windows, or other entryways.
- When a person enters without turning off the alarm, the current is disturbed and the alarm is triggered.
Inside motion detectors
- Inside motion detectors use pressure-sensitive mats that detect footsteps inside a room.
- They are less effective than motion detectors because they trigger the alarm only after the intruder has entered the house.
Alarm screens
- Alarm screens consist of an electronic wire mesh placed over a door or window.
- The alarm is triggered when the screen is cut or torn.
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Accuracy: Choose a home alarm system that detects even slight movements, but make sure it does not issue false alarms. This is especially important for areas where a fine is imposed on false alarms. Have the alarm system calibrated by the manufacturer before installation.
Alarm type: Make sure the alarm can be heard over a large area, including the adjacent houses. This will alert everyone of the situation and scare off the intruder. Look for one that you can turn off with a remote in case of a false alarm. If there are deaf or hearing-impaired people in the house, consider a system with flashing lights instead of alarms.
Power: Choose a home alarm system that runs on battery and mains power, so that you can switch to battery power in case of a power failure. Look for one with indicator lights that alert you when the batteries are running low. |
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