Modified GE Cassette Recorder, 4 track play 4 track record w/variable speed, for Library of Congress tapes. Variable speed control, one button record, Cue/Review, Hi/Lo micro-phone sensitivity, Automatic stop play/record, AC/DC operation, uses standard “C” type tapes, requires 2-AA batteries (not included), head set & case included Meas. 31/2" Lx412"Hx11/2"W. 90-day warranty. Lightweight -only 9 ozs.