Lonsdale Digital Interval Round Timer. Perfect use in a boxing club as an amateur or professional round timer or in a gym for Interval and Circuit training timer. High visibility large 3" display with 4 level sound volume control & touch switches for loud audible sound, so the volume can be heard in the noisiest of Gym or Club environments. The conventional mechanical switches have been superseded by modern electronic touch switches. Durable and robust timer suitable for gym environments. Round Times 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. 220 V AC.