Techswiss Automatic Watch Winder 6 Watches Oak Wood Clockwise-unit rotates for 30 minutes, then rests 15 minutes. Counterclockwise-unit rotates for 30 minutes, then rests 15 minutes. Alternating-unit alternates clockwise and counterclockwise every 2 minutes for 30 minutes, then rest Power- 3 Volt AC Transformer (110V) included. 2 Alkaline Batteries (not included).