Howard Cub Single Watch Winder 1 winding module with lock in cuff. Battery Option: Option to run the unit on AC power (universal adapter included) or AA batteries - alkaline or lithium (lithium batteries will last twice as long as alkaline batteries). Batteries not included. Patented Innovation - Every WOLF winder counts the precise number of rotations. All other winder estimate the number of rotations. Pre-programmed - 900 turns per day. Bi-directional setting Battery or Power Option with Universal Power adapator 2 year Manufacturer warranty worldwide You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!