SG-A92 type fire sound and light alarm is controlled by microprocessor, and can communicate with controller in real time, receive control command given by controller. In the patrol working state, the red status indicator of the sound and light alarm flashes; when the accident occurs, the sound and light alarm receives the start command from the controller and acts, emits dazzling flash signal and shrill sound alarm signal, reminds the on-site personnel to quickly understand the occurrence of fire alarm and take measures to evacuate as soon as possible, avoid major accidents.
