Wahoo Elemnt Roam V2 GPS Bike Computer. Packed with features that turn any ride into an adventure Elemnt Roam is Wahoos most powerful and accurate GPS cycling computer.Advanced Accuracy: dual-band GPS tecnhology delivers powerfuly smart navigation whether following a route or exploring new terrain. Get on-the-fly turn-by-turn directions to stay on courseCrystal Clear: large 2.7in (6.9cm) 64-color Gorilla glass screen adjusts to conditions with ambient light sensorFull-On Focus: data fields and pages can be customized with your preferred metrics. Perfect View Zoom and Quicklook LEDs keep you focused on the metrics that matterSummit Climbing: notifies you of climbs that lie ahead and enhances the elevation chart with color coded gradientsRide Longer: Up to 17 hours of battery life and 32GB of memory for more maps and routes