Back kit designed for 3 elements that consists of a Schuko socket, a 2xUSB charger, an IO switch for blinds and a 2-way push button. The kit is suitable for flush mounting and is included in the Simon 100 series, has a screw terminal connection for the USB, while for the rest of the elements is by cutting (1 click). This system is one of the flagships of this collection, as it makes the task much easier and safer, as it does not require stripping cables. For the installation of the back kit, it is advisable to do it in environments between 5 and 40ºC temperature to optimum product preservation. The Simon 100 series is a collection that focuses on the innovation and manages to dynamize all kinds of environments, in addition, it makes the interaction with the user through its parts that combine perfectly usability with design.