The video visitation unit from Montgomery Technology Inc. houses a 17-inch LCD monitor and a 380 TV LOR camera protected by a 0.375-inch thick sheet of Plexiglas. The wall-mounted unit, which comes factory-assembled, provides full audio using a Walker hearing aid-compatible handset with volume control. Video and audio are digitized and compressed into a MPEG4 stream for real-time operation. The handset is fastened to the unit with a 29-inch armored cable and rests on a magnetic hanger. Montgomery Technology Inc.