This digital timer can count down from 99:55 to 00:00, or be used as a stopwatch from 00:00 to 99:55. It's ideal as a kitchen timer to help you say goodbye to undercooked pasta and overcooked steaks.In the working state, if there is no operation within 5 seconds, the timer will automatically reduce the brightness. The large 3-inch display with constant bright numbers is designed for long-distance reading, even in large conference rooms, classrooms or large kitchens, gyms.