AW-CBL2166-A-6 6 Inch Fire Bell The product is the fire alarm, a fire alarm device, generally used for more staff in public areas. In the event of an emergency situation is controlled by the alarm controller to trigger an alarm, one for each region under normal circumstances, be used for fire alarms, good warning sound effects. Fire alarm internally by a 24V DC motor driven by the crankshaft and connecting rod bells, no relays work, work current, high reliability. Fire alarm for supporting specific products and linkage fire alarm systems, when the system recognizes fire broke out by linkage control equipment to the scene.