Zepp Tennis is a revolutionary training system that helps you capture and analyse your performance on the court. Just attach the sensor to the handle of any tennis racquet and swing away to get instant feedback on your iPhone, iPad or Android device. Now you can track your matches and practice sessions and get to know your game like never before. Analyse your serve in 3D and measure the intensity, consistency, and power of your match play. Breakdown every shot and see exactly where you are making contact on the racket. Get video tips, drills, and match strategy from Milos Raonic and top tour coaches. The Zepp sensor attaches to any tennis racket and wirelessly sends data to you smartphone or tablet. Size: H15, W15, D4cm. Weight 0.23kg.