Shuffles up to 2 decks of cards automatically in seconds! This automatic card shuffler makes shuffling easy and is a great aid for everyone. Shuffles one or two decks of cards. Perfect for Bridge/Rummy or Poker sized playing cards. Easy to operate: Simply cut deck in half. Lay each half of card deck onto the two feeder trays (left and right) and press the button at the front to start shuffling. When finished, pull out the tray and remove the shuffled deck. Battery operated: the card shuffler requires 4 AA 1.5V type alkaline batteries. Batteries not included.