Oct 2011

door peephole camera

wireless alarm systems for the homeSo protecting all doors is a must. Example: magnetic circuit breakers. Door contacts may be hardwired or wireless; hardwired contacts are usually buried in the doorframe, which is less obvious than wireless and are preferable. Window Contacts: Can be hardwired or wireless. Motion Sensors: It’s the most essential and common form of protection. Passive infrared sensors: Detect motion by sensing a sudden change in heat. Dual Tech motion detectors use two different technologies in the same unit: passive infrared and microwave. These devices are designed to avoid false alarms since both technologies must detect motion before setting off the alarm. Photoelectric Sensors: These sensors project a beam of light across a hall or doorway to detect motion and are triggered when a person passing through interrupts the beam. Glass Break Detectors: Usually mounted near windows to detect the specific high frequency sound of glass being shattered. They are usually installed on a wall opposite or adjacent to the protected glass and are effective within about 15′ to 25′.

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Oct 2011

affordable home security

surveillance home securityThe illegal entry may be by force, such as breaking a window or slashing a screen, or may be without force by entering through an unlocked door or an open window. As long as the person entering has no legal right to be present in the structure a burglary has occurred. Furthermore, burglary is not only the entry of the house by itself; illegal entry of a garage or any other structure on the premises also represents household burglary. Figure1. Home Burglary Statistics 2008 2011. Washington Post . Retrieved from he most common targets are residential houses. Those of them without security systems installed are about three times as likely to be broken into as homes with security systems installed. Moreover, the first place that the robber will search is usually the master bedroom because most people keep their valuables there. The preferred items to be stolen are cash, jewelry, electronic equipment, silver, guns and other items easy to put on the market. Statistics showed that every 14.

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