Easy to operate controls. "Super Quite Motor". AC and DC power supply (4.5 volt). Each motor has its own power supply control and function control. 3 user select turning direction: Clockwise, Counter-Clockwise, Alternating (clockwise then counter-clockwise). Adjustable Turns per Day to fit all watch brands' winding requirements (from 450 TPD to 850 TPD) with intermediate rest cycle to minimize potential stress to the watch movement. "Continuous" mode allows fast winding of watches when needed. Additional built in storage for 6 additional watches. Size: Approx. 13.2" (length) x 10.2" (width) x 7.2" (height). Comes with 1 Year Manufacturers Warranty. New in Box!