Mount it on your bike & go, the Stealth 10 is set-up free & uses GPS technology to calculate your position quickly. Track speed, distance, elapsed time & record up to 60 hours of data that you can upload & share via web-based training sites, such as Cat Eye Atlas.com & Training Peaks TM.com. Monitor performance & stay motivated with online challenges. Other features include a full-time backlight, auto-stop/start & programmable odometer. The Stealth 10 is waterproof, USB (Universal Serial Bus) rechargeable & can be used on multiple bikes, so you’ll always be ready to ride.