The Vintage Edwards Adaptabel Grey Bell 4" Gong #340 is a rare and unique alarm bell manufactured in the United States. This gong, designed by the reputable brand Edwards, is a classic piece of surveillance equipment that serves as a siren or alarm speaker. With its 4" size and UL 120V rating, this bell is a stylish addition to any alarm system, providing a retro touch to modern security setups. Perfect for facility maintenance and safety, this untested electric gong adds a touch of nostalgia to any business or industrial setting.