Lightweight and portable, the Approach R10 Launch Monitor from Garmin will help improve your golf game at home, indoors, or on the driving range! Featuring internal radars, the Approach R10 watches you swing and hit the golf ball, then processing radar data to communicate your key metrics with the Garmin Golf App. Key Metrics the R10 shows are: club head speed, club face angle, club path angle, face to path, attack angle, ball speed, launch angle, launch direction, spins, apex, distance and many more!