Can be used in a boxing club as an amateur or professional round timer or in a gym as an interval and circuit training timer. High visibility large 3" display with 4 level sound volume control and touch switches for loud audible sound, so it can be heard in a noisy Gym or Club environment. Round Time can be set from 1 - 9 Minutes (in one minute increments) and the Interval Time can be set from 0-60 sec (in 5 seconds increments). Rest Time is available from 10-90 sec (in 5 seconds increments). Number of rounds can be set from 1-9 or continuous. You can pause the timer at the touch of a button. Latest professional digital timer, the conventional mechanical switches have been replaced by electronic touch switches for a modern clock.