1.Modular Bell,Alarm Bell 2.Elegant Appearance 3.Compact design in modular size 4.Easy installation 1.Construction and Feature1.1.Elegant appearance, compact size and easy installation1.2.Low consumption1.3The electric bell is suitable for audible signaling for intermittent use only in domestic and commercial installations. 2.Main technical data 2.1.Rated voltage: 230V AC2.2.Rated frequency: 50/ ...