License to enable the web interface for programming and managing the IP EVO system. Specifically, the web app allows, through a easy-to-use graphic interface, the installer/property manager to create housing units, send mass invitation emails, manage and remove users from the system. For this reason, it is particularly convenient, especially in case of residential complexes with a high number of users. Each installation you want to manage with web app, it is necessary one license art. CNAW.