Keep on top of your fitness training with Garmins Forerunner 935 Activity Tracker. This GPS running/triathlon activity tracker lets you know if your training is right on schedule or if you need to amp it up or tone it down to get your body to and keep it at its peak condition. Monitors your heart rate and training status as well as advanced monitoring for running, cycling and swimming. Built-in barometer, altimeter and electronic compass. Silicone band. Battery runs up to two weeks in watch mode, up to 24 hours in GPS mode and up to 60 hours in UltraTrac mode. Water-resistant to 50 meters. Display: 1.2 dia. Band width: 1.03. Wt: 1.73 oz. Size:Fits 5.11-9.05 wrists. Colors: Neutral, Tri-Bundle Yellow/Black/Blue. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Color: Yellow/Black. Gender: Male. Age Group: Adult. Type: Fitness Trackers.