Fenix 7 Pro Sapphire Solar-Carbon Gray Dlc Ti W/Black BandFeatures Get up to 37 days in smartwatch mode with solar charging (3 hours of direct sunlight at 50,000 lux per day) and up to 122 hours in GPS mode with solar charging. Variable light intensities and a red safety light improve visibility while training in the dark, with a strobe mode that can match your running cadence. Measures your capability for running uphill and evaluates progress over time using VO2 Max and training history. Analyzes your