The Titleist Pro V1x Left Dash RCT golf ball is designed to deliver a high flight similar to Pro V1x RCT with dramatically lower full swing spin and firmer feel. In addition to all these premium performance benefits the Pro V1x Left Dash RCT golf ball has been engineered for radar based launch monitors to provide the most accurate golf ball data on these devices for the indoor golf experience. Pro V1x Left Dash RCT golf balls conform with USGA and RA rules. The following launch monitor devices have been validated with RCT in an indoor environment TrackMan 4 Garmin Approach R10 Full Swing KIT FlightScope X3 FlightScope Mevo Note Devices must have current uptodate software/firmware installed for accurate spin data. Developed by Titleist Golf Ball RD engineers Titleist golf balls with Radar Capture Technology RCT are designed to enhance the data capture of launch conditions in an indoor environment and deliver the most accurate information possible. GlobalGolf.com online store offers superior selection service and quality for your Titleist golf Balls needs.