Honeywell RPWL3045A1003/A Wireless Premium Portable Converter/Extender/Push Button
A revolutionary all-in-one push button, chime extender, and accessory converter. Available in black/platinum finish, this is compatible with the entire line of decor chimes. This push button, chime extender, and accessory converter can be added on to any of those chimes for additional door alerts or as the link in your system to other accessories and door chimes like motion detectors or door and window contacts.