The all-new, Circle B Edition LPi is designed specifically for indoor simulation use. The LPi provides golfers with the most affordable, simulation experience while continuing to offer the utmost in personal launch monitor accuracy. Tour-Level Accuracy for Ball & Club Data. Designed to overcome ambient light issues and hitting area limitations—experience consistent and reliable performance for every swing. ​Practice Anytime, Anywhere—Rain or Shine. LPi makes training possible 24/7 with indoor precision, so weather, daylight, or slow greens won’t slow down your journey to lower scores. All You Need for Accurate Indoor Simulation. Covering swing speed, ball speed, launch angle, and more—the LPi delivers the data serious golfers want in a streamlined, simulation-ready format.