FINIS Lap Track Underwater Touch Sensitive Workout Tracking Lap Counter from CowBoom
 For the swimmers in your life this is a great item.  Today only is selling this workout tracking lap counter for only $4,99.  Here is a little more about it,,,
This underwater lap counter allows you to count laps, track splits or swim until the timer is up. The clear display provides easy visibility above or below water and the quick response technology promptly displays the information you desire.

Click below for all the info,,,