Built to handle harsh off-road environments. It uses over-molded rubber buttons to keep out dirt/water and scratch-resistant Corning Gorilla Glass.Includes dedicated Enduro and Downhill modes that automatically track run stats and pause while you are on a ski lift or shuttle.It is the first Garmin Edge to feature 5 Hz GPS recording, capturing your location five times per second for unmatched precision on descents and technical lines. Allows you to set multiple splits on a trail and track your performance in real-time The Forksight feature automatically displays upcoming trail forks, difficulty levels, and elevation at junctions when you are exploring unfamiliar areas.Measures your ride difficulty with "Grit" and tracking how smoothly you descend with "Flow" up to 14 hours of demanding GPS use and up to 26 hours in battery saver mode.