The present invention allows for processing classification andor security filtering rules by using bitmaps as representations. and normally have a plurality of wireless microphones which are worn by users, such as actors, musicians, singers, etc, and one or more receiving stations which receive the audio signals of the wireless microphones and forward said signals to mixing consoles, amplification systems, recording devices, etc. The housing assembly includes a base housing and a cover. The printed circuit board may also be connected to a pair of illumination sources positioned at a lower portion of a casing of the mirror assembly. If a window has been covered, the window is placed in a sleep state.