Swimovate Poolmate Live Lap Counter Swim Watch with Vibrating Alarm, Black Automatically counts laps, strokes per lap, speed, calories, distance (yards or meters) Vibrating Buzz pool alarm for laps, distance, or time (intervals) Up to 2 year battery life on user replaceable battery Watch features - time of day (12/24h), dual time zone, day/date, daily alarm Download Clip for data sold separately for Mac or PC