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Panic devices are manually activated units that you can activate if you need immediate assistance. These units can either be silent or activate loud alarms. If you desire the silent version then you must have your system monitored. You should bear in mind that activating these units (specially those raise an alarm) may alert the intruder to your actions, so care must be exercised in their use.
Panic devices can be fixed buttons, portable wireless buttons, or a special combination with a keypad. A variation on the panic device is Medical Alert. When the Panic Alarm is activated, then it can trigger off the alarm that can scare the intruder as well as alert everyone in the house. Optionally this can be connected to an Automatic Telephone Dialer(59) also which can call up predefined numbers & convey pre-recorded message in your voice (to friends or police).
Such systems are ideal to face emergency situations e.g. confrontation with intruder at night, holdups in office/banks/homes, confrontation with a visitor at door etc. The Wireless system consists of a small hand held transmitter unit which can optionally be worn as a pendant with a neck chain or worn as a wristwatch or simply kept in the pocket and a receiver unit which is mounted on the ceiling/wall. At the time of an emergency, the compact hand held units are simply operated by pressing the button or pulling off the neck chain. The signal transmitted is picked up by the receiver unit which in turn sends it to the security personnel or any other designated device/person.
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