Electronic apparatus for signaling, measuring, recording, monitoring, controlling of setting and switching data; electrical encoding apparatus for processing, transmission recording, and restitution of setting and switching data; telecommunications apparatus and instruments for the reception, transmission, conversion, digital distribution, and sending of data, sounds and images; computer programs for processing and consulting data transmitted by temperature, air quality, sound level, water meter, and electricity consumption sensors; computer software for monitoring equipment in the form of dashboards, detailed view, and alert management; computer software for storing data in a time database to retrieve the state of the equipment set at a given date; downloadable mobile software applications for consulting data transmitted by sensor parts and constitutive piece, test, and verification apparatus in the field of marina, connected buildings, and mobile applications for professionals and the general public for all the aforesaid goods; and user manuals electronically readable on machine or computer designed for use with and sold together