Brybelly Casino 6 Deck Automatic Card Shuffler with 6 Decks of Bicycle Playing Cards Shuffles up to 6 decks in just seconds, and fits a variety of card sizes Provides an effortless professional shuffle Fully automatic and battery operated Great for the elderly, small children, and card shuffling novices alike Requires 4 "C" Sized batteries which are included. Cards are not included. Please refer the User Manual and the Guide before use.