Five-a-side Football Timer

Temporizador simples para ajudar os jogadores de futebol amador em mudar o guarda-redes

Simple timer to help amateur five-a-side football players in changing the goalkeeper.

You can set the duration of the match and the time for the shift of the goalkeeper and a acoustic signal will warn you when it's time to change.

The timer is designed for five-a-side football but can also be used in basket, volleyball or any other type of sport.