Water polo coaches who aim to deliver better training resultsare strongly encouraged to invest in the KF4 shot clock. It is affordable, and easy to pack and carry. It can be set up within minutes. As the shot clock is battery-operated, it is very portable and can be deployed at various locations. The KF4 shot clock helps beginner water polo playersunderstand the 30-second rule and practise counter attack and defence. Experienced water polo players will find it useful in increasing intensity and realism in their friendly games and training matches.