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The role of the siren in the security alarm system
A vital element of the burglar alarm is an audible siren — a device that, with its signal, scares off the intruders or draws attention to interference. In this way, theft or damage to property can be prevented by using the alarm siren.One more important function of the siren is connecting an alert about triggering sensors (turning off gas or smoke) or about an alarm button pressing. By attracting attention, users can prevent the danger in time.Sirens are classified according to the specified parameters:
Indoor and outdoor sirens
Outdoor alarm sirens are set in private houses, warehouses and offices. The outdoor siren should be mounted at the height of at least 2.5 m and on the front side of the facade. Such an installation requires a complex dismantling of the security device and will open up the siren sound to more neighbors.Most security sirens are suitable for outdoor installation. In apartments, it is not customary to mount a room siren in the entrance or on the house's facade. Here, in most cases, an alarm siren appears next to a security device or even hides inside the case. Compact sirens, despite their size and price, sound loud.
Wireless and wired sirens
Wireless sirens are prized for their wiring-free installation. The range of wireless sirens is up to 100 m, and, as a rule, additional installation of a signal amplifier is not required for them. The signal strength of the wireless siren is 100-120 dB. The wireless siren can be installed indoors or outdoors.Wired sirens require mandatory cable laying and have a noise level of up to 110 dB. This type of siren can be observed both from the outside and inside of the room.
Sound and light-sound security sirens
An audible siren can scare off a burglar with a loud sound and draw attention to a room where a dangerous situation can happen.The light and sound security device, together with the sound of the siren, also sends a light signal. Since it is not always possible to properly hear where the sound is coming from, a siren with a light indication will indicate the side of a room where the alarm is triggered.