22 Day battery life in smartwatch mode with solar charging. LED flashlight with red safety light. Garmin ECG app. Endurance Score. 1.3" Scratch resistant sapphire solar charged display. Hill Score Visual Race Predictor and PacePro technology. Performance metrics track workouts view course maps.. Wrist based heart rate.. Pulse Ox sensor. Receive smart notifications. Garmin Pay. Senses when an incident occurs. Power Manager.. Water resistant to 100 M. Power sapphire lens. Carbon Gray LDC titanium bezel. Black silicone strap. Case size: 47 x 47 x 14.5mm.