This is the Garmin Approach R10, which analyzes golf swings. I used it once at the driving range, but I'm selling it because I'm switching to a simpler device. Product Name: GARMIN Approach R10 Included items: Everything shown in the pictures Color: Black It's a shot training device and swing analyzer. You can download the app to analyze your swing data. It's in excellent condition, having only been used once at the driving range. Thank you.