Get weeks of battery life with the scratch-resistant Power Sapphire solar charging lens. Meet any challenge with advanced training features such as hill score, which measures your climbing performance over time, and real-time stamina updates to gauge your stamina potential. For a more complete picture of your health, training and recovery, tap in to 24/7 health and wellness monitoring with advanced sleep tracking, HRV status, Pulse Ox and more (this is not a medical device, and data presented is intended to be a close estimation of metrics tracked; Pulse Ox not available in all countries). When the sun sets, use the LED flashlight to stay visible or find your way. Navigate with preloaded TopoActive maps and ski resort maps; download even more regions for global adventures. Adventure far off the grid with up to 37 days of battery life in smartwatch mode with solar charging in 3 hours of direct sunlight (50,000 lux) per day and up to 122 hours in GPS mode with solar charging. Gain superior positioning accuracy in any environment while optimizing battery life, thanks to multi-band GPS with SatIQ technology. Garmin products are known for the innovative features, compelling design and quality that is second to none.