Home Security

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A security alarm[1] is a system designed to detect intrusion – unauthorized entry – into a building or area. Security alarms are used in residential, commercial, industrial, and military properties for protection against burglary (theft) or property damage, as well as personal protection against intruders. Car alarms likewise protect vehicles and their contents. Prisonsalso use security systems for control of inmates.

Some alarm systems serve a single purpose of burglary protection; combination systems provide both fire and intrusion protection. Intrusion alarm systems may also be combined with closed-circuit television surveillance systems to automatically record the activities of intruders, and may interface to access control systems for electrically locked doors. Systems range from small, self-contained noisemakers, to complicated, multi-area systems with computer monitoring and control.

The most basic alarm consists of one or more sensors to detect intruders, and an alerting device to indicate the intrusion. However, a typical premises security alarm employs the following components:

  • Premises control unit (PCU), Alarm Control Panel (ACP), or simply panel: The “brain” of the system, it reads sensor inputs, tracks arm/disarm status, and signals intrusions. In modern systems, this is typically one or more computer circuit boards inside a metal enclosure, along with a power supply.
  • Sensors: Devices which detect intrusions. Sensors may be placed at the perimeter of the protected area, within it, or both. Sensors can detect intruders by a variety of methods, such as monitoring doors and windows for opening, or by monitoring unoccupied interiors for motions, sound, vibration, or other disturbances.
  • Alerting devices: These indicate an alarm condition. Most commonly, these are bells, sirens, and/or flashing lights. Alerting devices serve the dual purposes of warning occupants of intrusion, and potentially scaring off burglars. These devices may also be used to warn occupants of a fire or smoke condition.
  • Keypads: Small devices, typically wall-mounted, which function as the human-machine interface to the system. In addition to buttons, keypads typically feature indicator lights, a small multi-character display, or both.
  • Interconnections between components. This may consist of direct wiring to the control unit, or wireless links with local power supplies.
  • Security devices: Devices to detect thieves such as spotlights, cameras & lasers.

In addition to the system itself, security alarms are often coupled with a monitoring service. In the event of an alarm, the premises control unit contacts a central monitoring station. Operators at the station see the signal and take appropriate action, such as contacting property owners, notifying police, or dispatching private security forces. Such signals may be transmitted via dedicated alarm circuits, telephone lines, or Internet.

Mesquite

Mesquite is a city in Clark County, Nevada, United States, adjacent to the Arizona state line and 80 miles (130 km) northeast ofLas Vegas on Interstate 15. As of 2015, the United States Census estimates that the city had a population of 17,496.[5] The city is located in the Virgin River valley adjacent to the Virgin Mountains in the northeastern part of the Mojave Desert. It is home to a growing retirement community, as well as several casino resorts and golf courses.

Mesquite was settled by Mormon pioneers in 1880, who called it Mesquite Flat. The community was finally established on the third attempt after having been flooded out from the waters of the Virgin River. The name was later shortened to Mesquite, and the city was incorporated in May 1984. Mesquite, like nearby Bunkerville, had its origins in farming. The Peppermill Mesquite casino, which opened in the 1970s, drove Mesquite’s diversified economy. [The Western Village Travel Plaza opened in the 1950s, later owned by the Peppermill [1].] The city incorporated in 1984 and established a master development plan during the early 1990s.[2] In the mid-1990s, more casinos opened.[6] By 2006, Mesquite was one of the fastest-growing small towns in the United States, though the late-2000s recession led to the closure of both the Mesquite Star and Oasis (formerly The Peppermill) casinos.[2]

Mesquite occupies the northeast corner of Clark County and extends north into the southeast corner of Lincoln County. The eastern border of the city is the Arizona state line. The city is in the Virgin River valley, occupying the northern side of the river. The city lies adjacent to the Virgin Mountains in the northeastern Mojave Desert near the southern mouth of the Virgin River Gorge.