VINTAGE MITSUWA NEW OLD STOCK RE-140 CASSETTE MOTOR POWER UNIT FOR SMALL MODEL BOATS WITH X3 DIFFERENT PINION GEARS AND PRODUCT LEAFLET.UNIT FEATURES INTEGRAL BATTERY BOX AND ON/OFF SWITCH LEVER,SHAFT DIAMETER 2mm.REQUIRES X2AA BATTERIES(not included).IDEAL FOR MODEL BOATS AND OTHER MOTORIZED PROJECTS.BOX HAS AGE RELATED WEAR AND PRICE STICKER MARK.