Compact presentation cart stores a data projector, document camera, and DVD player. Includes rails for 19" rack mounted sound systems, power units and computer equipment, with added room for a speaker system. Califone speaker included with some models. Designed to work with a laptop computer with pull-out shelf at standing height. Includes a perforated locking cabinet with front and rear access and a dual-plate cutout that supports an optional data plate pass-through for easy plug-in of laptop to projectors and AV equipment. Projector pull-out shelf locks away inside cabinet when not in use to deter theft.