Product picture - Meridian Technologies DigiCool FR-IS-SCU-2ST 1-Channel Bi-Directional Video & Audio Receiver for Aiphone IS Series CCU & SCU Door Station Meridian, Technologies, DigiCool, FR-IS-SCU-2ST, 1-Channel, Bi-Directional, Video, &, Audio, Receiver, Aiphone, IS, Series, CCU, &, SCU, Door, Station Click the image to close this page