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2. Security alarm - Wikipedia

   en.wikipedia.org/wiki/Security_alarm

   The alarm system is required to have a maintenance check carried out every 6 – 12 months. In the UK, 'Audible Only' intruder alarm systems require a routine service visit once every 12 months and monitored intruder alarm systems require a check twice in every 12-month period.

3. Alarm device - Wikipedia

   en.wikipedia.org/wiki/Alarm_device

   An alarm device is a mechanism that gives an audible, visual, combination, or other kind of alarm signal to alert someone to a problem or condition that requires urgent attention. Etymology [ edit ]

4. Wireless security camera - Wikipedia

   en.wikipedia.org/wiki/Wireless_security_camera

   Analog wireless is the transmission of audio and video signals using radio frequencies. Typically, analog wireless has a transmission range of around 300 feet (91 meters) in open space; walls, doors, and furniture will reduce this range. Analog wireless is found in three frequencies: 900 MHz, 2.4 GHz, and 5.8 GHz.

5. Monitronics - Wikipedia

   en.wikipedia.org/wiki/Monitronics

   In 2015, Monitronics acquired LiveWatch, a Kansas-based company that sold security alarm and home automation systems for DIY installation. [5] The company was founded in 2002 under the name Safemart by Chris Johnson, a former Kansas paramedic. Initially, SafeMart distributed home security products from third-party manufacturers.

6. Alarm.com - Wikipedia

   en.wikipedia.org/wiki/Alarm.com

   Alarm.com was founded in 2000 as part of MicroStrategy's research and development unit and launched an interactive security program that enabled remote monitoring and arming for a disarmed security system in 2002. The company has developed its platform to include smart home and business software that incorporates video monitoring, energy ...

7. Panic button - Wikipedia

   en.wikipedia.org/wiki/Panic_button

   A medical alert panic button or medical alarm is an electronic device worn on a bracelet or necklace as part of a medical alert system. When pressed, it sends a wireless signal to a home console which dials alarm monitoring staff and alerts them of an emergency condition.