The MISSION2 is your go-to dive watch, including sports and health activities. With air, nitrox, freedive, freedive pool, and gauge mode, you are ready for multiple underwater adventures. And with a rechargeable battery, you don't have to worry about flooding your computer with battery changes. This innovative computer tracks and monitors a wide variety of sports activities including diving, swimming, biking, skiing, running, and walking. Additional watch features include a heart rate monitor, step counter, calories used calculation, and sleep monitoring. The MISSION2’s vibrant hi-res 1.2” color screen clearly displays your real-time GPS information, digital compass, and smart notifications. This is particularly handy in underwater situations. Sync the MISSION2 with the user-friendly ATMOS App for detailed record keeping of all your sports activities.