The Shop Keeper's Bell will alert you when somebody comes or leaves. <br /> This bell is ideally suited to the smaller retail store as a non-electric signaling device.<br /> Virtually every shop keeper can use one. <br /> This bell is also useful around the home for screen doors, garden gates, and poolside gates. <br /> 1 5/8" diameter bell is attached to a 9" spring steel bracket for easy mounting on any door.<br />