This versatile timer offers easy setting modes, allowing you to select a 2 or 3-minute workout period and adjust round lengths to 30 seconds or 1 minute with a simple switch. It can be used as a round timer or to incorporate interval workouts into any training session. Sound-enabled, it allows you to set rest periods between rounds for 15, 30, 45, or 60 seconds, with interval periods adjustable to 0, 15, 30, 45, or 60 seconds. The extra-loud round bell ensures it's heard in any gym, complete with a 30-second end-of-round warning whistle. Ideal for boxing, kickboxing, martial arts, fitness workouts, and more. Size: 8"" L x 6"" W x 3"" H.