security surveillance equipment, namely, TV receivers, TV projectors, video cassette recorders, magnetic recorder heads, closed circuit television cameras, camera lenses, camcorders, monitors, electrical connecting cords, wireless remote control connectors and couplers, wired remote control connectors and couplers, extension cables, video cameras, video camera tripods, audio and video camera power-supply units, sync generators, sync extenders, video signal distributors, high frequency video b...