【Precision Alignment System】Features squaring and alignment guides at 3, 5, and 7-foot intervals to help develop consistent putting mechanics and improve stroke accuracy. 【Automatic Ball Return】Continuous ball return system enables uninterrupted practice sessions - no need to pause and retrieve balls during training. 【Professional-Grade Surface】Putting surface with upslope cup design accurately simulates the feel and break of real golf greens. 【Practice Green】7-foot indoor putting green with integrated ball return helps refine distance control and putting accuracy for all skill levels. 【Compact & Versatile】Measures 22.5 x 252 cm - the perfect size for home or office use while providing professional-level training experience.