Friedl&-D934-Libra-wire-free-landscape-push-converter-Friedl&-D934-The-Friedl&-wireless-extender-converter-landscape-bell-push-D934-can-be-used-as-an-additional-doorbell-push-for-a-Libra-chime-system-or-as-a-replacement-The-D934-can-be-used-to-adapt-a-wired-installation-to-work-with-wireless-Libra-door-chimes-&-pushes-&-to-convert-a-wired-bell-push-for-use-with-any-Libra-chime-br-br-BR-The-chime-is-ideal-if-you-are-extending-a-Libra-system-to-include-additional-door-b