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An alarm or burglar alarm system is a device that announces an illegal act when it enters a privacy by announcing a sound.
Although the alarms available in the market are offered in different types and shapes, but in general, they all have a common structure, ie most alarms have an open excitation line and a closed excitation line, which are the connection point between the open sensor and the closed sensor. They have a normal key or alpha switch or cryptographic lock or remote control key to turn the device on and off. Alarm circuits also include a battery charging circuit to cut off the power of the device and have a siren circuit. Finally, the alarms have an arrival number, an exit number and an alarm number, and may also be equipped with an automatic caller during the stimulation.
The contents of the package you purchased include the main unit, a piezo siren, two remote controllers and a female socket for connecting an external sensor. Purchase an external sensor if you need to use COM and NC contacts. Also, the external sensor should have a good performance with 9 volts. The main device has a switch on the side and 4 terminals on the back to connect 220V power and siren. Optima device can be installed on the wall or ceiling and its viewing radius is 5 meters. It is located inside the device with polymer trilithium and keeps the device working for up to 4 hours in case of power failure in addition to sending an alert SMS. The remote control of the device has 4 keys, the A key can be used to go to the main mode (active and working), the B key can be used to take the device to the inactive state, the C key can be used to take the device to the settings mode and the D key can be used to take the device to the motion sensor test mode. . Therefore, in order for the device to be active, it must be in A mode. In this case, the internal market of the device will be silent and the alarm will be ready in case of motion detection, and the device modem will turn on after motion detection and will make contact with the numbers stored in memory.