AW-CBL2166-10 Conventional Fire Bell 10 Inches Alarm bell us the accessory for special use in fire alarm system and security system. When Confirm the fire, the alarm panel cab be switch by panel to announcew the fire situation. Alarm bell is made by iron or aluminum featuring eith high sound level and easy installation. By Being equipped with good design in crank and oitman driven by motor, the bell will give off alarm With higher reliability and low current consumption.