��【ADJUSTABLE SPEEDS + VISIBLE BALL TRACES 】Choose from 4 Stimp tested speeds ranging from 8-12.5 on one indoor putting green. Evaluate every putt by being able to see the exact path of your ball. ��【SLOPE SIMULATION SYSTEMS】Two Multi-angle Slope Simulators, with 5 changeable slope types plus 6 extra foam wedges, allow you to customize your green in any way you like!