Installed sensor automatically tracks every shot on any club and keeps score Pairs with compatible Garmin golf watches to automatically track every stroke, including locations, distances and club type Collects data from each shot and club so you can analyze strokes gained and other stats used by professional golfers Stats for each club with a sensor installed show up on your compatible Garmin golf watch after pulling the club from the bag See how far you typically hit each club; view stats for accuracy to the fairway or green