The electron door bell at present , selling on the marketplace has the various type , if having switching-mode , tunk style , double tone style , induced style and so on , that family lining is in common use only when switch style and induction are dyadic two kind .

目前，市场上销售的电子门铃有各种类型，如有开关式、敲击式、双音式、感应式等，而家庭里常用的只有开关式和感应式两种。