Decorative copper finish and wireless button. Wall mount within 200 feet from the button. 6 selectable chimes to choose from ding-dong, beethoven's 5th, star spangeled banner, traditional westminster, traditional whittington, auld lang syne, ding (back door use). Use the Heath Zenith wireless RF technology to connect multiple doorbell buttons to one or more wireless chimes. All Heath Zenith door chimes are backward compatible as well. Through innovation, Heath Zenith has compiled a large portfolio of patented technologies and products giving us the competitive edge as an industry leader in the intelligent lighting and door chime markets.