The Swing Caddie SC200 is a Doppler-based portable launch monitor that provides carry distance, swing speed, ball speed and smash factor. Complete with three modes: Swing, Practice and Random, the Swing Caddie allows players to learn their yardages, play to a specific distance or be challenged by the SC200 to hit to random yardages. Improve feel, accuracy and lower scores. Practice perfect with the perfect practice partner.