One of the suitable and efficient protection and security devices against theft is the burglar alarm. In recent years, suitable and affordable industrial burglar alarms have been produced and marketed by domestic companies, which can be installed and used in all places, including homes, shops, offices, etc.
Premises burglar alarms They have many accessories and efficiency. One of the most important of them is the caller. In the first years of production, the telephone was offered as a separate device that was a complement to the burglar alarm and they could make calls and report theft using a landline. With the passage of time, the telephone receiver was integrated with the burglar alarm in most products and was installed as a panel on the door of the burglar alarm, and they were produced in two types: SIM card and fixed line. The reason for the production of the SIM card phone maker was that some thieves prevented making calls by cutting the phone line.
In the burglar alarms of places with a SIM card dialer, in addition to calling through the SIM card, features such as sending a city power cut SMS, activating the alarm by specifying the activated zone, charging the battery of wireless sensors, etc. have been added to the alarm. Another important accessory of the burglar alarm is the battery. If there is no battery, the alarm will stop working when the city electricity is cut off, and thieves will take advantage of this. Therefore, by using the battery, the alarm can continue to work after the electricity is cut off, and it can be recharged after the city electricity is connected. will be.