Wireless push button with LED confidence light - round, grey The Honeywell DCP311 wireless push button combines excellent functionality with a first-class design. The function display includes an LED confidence light and the secret knock function plays a different melody when a family member or a friend is at the door. Peace of mind - An LED confidence light on the push button reassures visitors that the doorbell is working while the secret knock function is designed to give you peace of mind as it plays a different melody when a family member or a friend is at the door. For absolute peace of mind, you can use the Honeywell ActivLink™ technology to link your doorbell with Honeywell security accessories and house alarm sets to build your own customised home alert and alarm system. Easy to install - All Honeywell push buttons and accessories are easy to install. The optional screw-free mounting concept and an easy-open battery compartment ensure that installation takes just a couple of minutes. Included in delivery: https://elecena.pl/product/17897425/dcp711g-wireless-push-button-grey 2021-04-27 https://elecena.pl/product/17897425/dcp711g-wireless-push-button-grey 2021-11-14 https://elecena.pl/product/17897425/dcp711g-wireless-push-button-grey 2023-01-02 https://elecena.pl/product/17897425/dcp711g-wireless-push-button-grey 2023-03-13