Fire alarm sirens playa crucial role in an alarm system: they activate visual and audible alarms and initiate the evacuation process. Inim offers a wide range of devices to meet various installation and safety needs, from hotels to retail establishments, industrial facilities, schools, and residential buildings. They feature sound levels of up to 120 dB(A) and, in addition to a high-intensity visual indicator certified to EN 54-23, may include programmable voice instructions that allow for customization of tone, alarm messages, languages, and volume. Electromechanical bells and fire alarm signs with audible alarms and illuminated text alerts round out the category of optical-acoustic devices.