Swing Caddie SC300i is the latest addition to our family of portable launch monitors. The SC300i is truly portable and provides golfers with complete swing and ball flight metrics found in professional launch monitors, including launch angle and apex data. Using the latest in Doppler radar technology, and calibrating atmospheric pressure sensors, the SC300i provides uncompromised precision. SC300i connects directly to a personal phone or tablet via Bluetooth allowing golfers to track their real-time, integrated data. Voice output of distance and remote control provides the highest levels of user convenience. Comes bundled with an exclusive golf ball marking stencil and Golf Tees Etc marker pen to make sure you can always identify your ball on the course.