Develop a fine-tuned green game by practicing with the Maxfli Adjustable Putting Cup. Excellent for use at home or in the office, this training aid features an adjustable gate size to enable precision training for golfers of any skill level. An automatic ball return with variable return distance helps golfers easily practice both short and long-range putts. Features: Great for putting practice at home, in the office, or while traveling Adjustable gate size enables precision training for golfers of any skill level Widen gate for novice training – tighten gate for professional training Automatically returns your ball after every putt for hassle-free use Variable return distance lets you practice long or short putts No batteries needed – plugs into any standard outlet