4000 Series speaker / camera module, 4284X, is a combined functional speech amplifier and camera for the VX2200 digital system. The module includes a built-in proximity reader located behind button 1 name plate window. The modules are equipped with a CMOS colour camera with an auto iris lens, complete with 4 bright white illumination LED's. The camera also has a 10° vertical and horizontal adjustment and contains a heating element to prevent the lexan window from misting up. The modules also have call reassurance tones and 4 call progress LED's to advise the user when the system is busy, a call is in progress, when to speak and when the door is open. All modules contain a speaker and fly lead with microphone which easily fits into a 4000 series frame. Modules attach to the housing frames using a simple but strong clip in system.