The Titleist Pro V1 RCT golf ball connects the greatest combination of speed, spin and feel in the game to your indoor, radar-based launch monitor. Pro V1 RCT has been engineered for radar-based launch monitors to provide the most accurate golf ball data on these devices for the indoor golf experience while providing all of the same premium performance benefits as Pro V1. Pro V1 RCT golf balls conform with USGA and R&A rules.