Finis Yellow Tempo Trainer Pro

Multi-Sport: Applicable for swimming, biking, running and moreAudible Beep: Loud enough to hear in and out of the waterSync Button: Synchronize the device to a pace clock or stopwatchAdjustable: Tempo can be adjusted by 1/100 of a secondWaterproof and floats in the water to avoid being lostExternal clip included to keep it in place on the swim cap3 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.Sync button lets you synchronize the trainer to a pace clock or stopwatch.Removable clip to secure to clothingSmall Convenient Size: Easily placed under swim capReplaceable battery to extend the life of your trainerAuto shut off feature