February 2015 model! Golf swing trainer "GST-5W" that displays four numbers at the same time Simple package model ■ Expand the display range and practice your approach! Approach is important for improving the score! Effective practice is possible to grasp the exact flight distance for each count. The display range has been expanded to support approach practice! Head speed lower limit is 15.0m / s → 10.0m / s The lower limit of ball speed is 20.0m / s → 15.0m / s ■ Compare! Lightweight compact body Half the thickness of the conventional one is 18mm! It weighs 110g and is super lightweight! A compact body swing trainer that is convenient to carry around. ■ Built-in lithium-ion battery No need for troublesome battery replacement work! You can also charge from your computer. ■ Equipped with a microSD card, data can be managed on a PC! Data management software can be downloaded for free from the Yupiteru site! ■ Accurate display of swing data You can easily grasp "head speed", "ball speed", "meet rate", and "estimated flight distance" with this machine. You can grasp your swing with accurate numerical values ​​and practice effectively to improve your score. With this machine, you can easily check the meet rate, which could only be measured with expensive measuring instruments at golf shops.