2 in Stainless Steel Electric Bell Inner Strike Type No Spark Bell 220V 5W for Sound Signal

Features: Stainless steel material for better rust prevention and long service life. With double coils inside, it is durable and stable. There are three round holes on the cover for easy installation of the bell on the wall. Suitable for being sound signal and alarm at factories, schools, railways and indoor public places. The electric bell is an inner strike type of no spark. Specification: Working Voltage: 220V Bell Diameter: 55mm 2.17in Wattage: 5W Material:Stainless Steel Switch Capacity:Resistance 10A Package List: 1 x Electric Bell