A composite laminate assembly for an electronic device provides integrated backlighting for one or more indicator shapes defined by the assembly. The reflected signals received by each of the transceivers are processed, for instance by a microprocessor, so as to provide output signals that indicate the presence or absence of a living organism in the structure or behind wall or partition. By adopting the method and system of the present application, a Single Sign On management proxy is introduced as a united management system for a session lifetime of the user.