Swimovate PoolMate2 Swim Sports Watch In the pool - counts laps, strokes, speed, rest time, distance (yds./M), Calories Open water - counts strokes, distance, speed, efficiency, duration, sets, rest time and Calories (swim calibration lap first) Out of the water - A99 set Chrono mode for timing Stores 50 sessions for recall, records Individual sets and total session data Pools over 18 M (yards too), water resistant to 50M, 24 hour Clock and alarm