The PoolMateLive has all monitoring functions including laps, strokes, speed, distance, calories, stroke length, strokes per minute and efficiency which are automatically calculated from your arm movements. In addition to the set by set information shown by the PoolMate and PoolMatePro, with the download clip the PoolMateLive downloads data for each individual lap you swim to you PC or Mac. Comes with a host of other features, plus the option to Download - Would you like to download your swim data to your computer? It's completely up to you. Just purchase the download clip and you can download to PC or Mac.