TITLE MMA Digital Interval Timer A necessity for all MMA training and gym workouts; 10" L x 8" W x 5" H (Timer is compatible with 110 The perfect digital countdown timer has everything you demand and more Super large 2" digital display can be seen easily in even the biggest gyms or workout areas Rounds can be adjusted from 1, 2, 3, 4, 5 or 10 minute durations Rest time can be adjusted from 15 to 75 seconds