FINIS Tempo Trainer ProThis FINIS™ pacing device uses beeps to help you set your stroke rate. Convenience and portability combine in the Tempo Trainer Pro to keep you in sync.
3 different modes: - Mode 1: Single beep in strokes per sec (0.02 seconds to 99.99 seconds). - Mode 2: Triple beep in strokes per sec (1 second to 9:59 minutes). - Mode 3: Single beep in strokes per minute. Metronome is loud enough to be heard in and out of the water. Floats in the water to avoid being lost. External clip included to keep it in place on the swim cap. Sync button lets you synchronize the trainer to a pace clock or stopwatch. Replaceable battery to extend the life of your trainer. - CR1620 3V battery. U.S.A. Patented.