US Patent 7471210 Point of sale display for doorbell

A doorbell having interchangeable chimes and interchangeable decorative covers is displayed for sale to the retail public such that a customer may easily choose a specific chime sound and combine it with a specific decorative cover enabling the customer to buy a doorbell meeting the customer's aesthetic requirement. The interchangeable bases and covers may include complimentary attachment parts that allow any cover to be mounted to any of a plurality of bases of differing size and in different orientations.