Garmin Fenix 7S Product # 010-02539-00 (Silver with Graphite Band) Product # 010-02539-02 (Silver with Whitestone Band) The Garmin Fenix 7S is a reliable outdoor GPS watch that has ultratough design features a large 1.2? display and 42 mm fiber-reinforced polymer case. This watch is tested to U. S. military standards for thermal shock and water resistance. It has Trusted button controls that work in any environment are matched with a responsive new touchscreen interface for quick access to selections and functions. The mountain biking metrics plus specialized Grit? and Flow? measurements rates trail difficulty and how smoothly you descend. It has built-in sports activity for trail running swimming running biking hiking rowing skiing golfing surfing indoor climbing and more. The Internal rechargeable lithium battery provides up to 11 days of battery life in smartwatch mode 37 hours in GPS mode and up to 38 days in battery saver mode. This Fenix 7S comes with a built-in 3-axis electronic compass and barometric altimeter that help you keep your bearings. Take the guesswork out of your return journey by using the Multi-GNSS support feature to navigate challenging environments. The Pulse OX GPS Sensor uses light beams at your wrist to gauge how well your body is absorbing oxygen and the in-built Body Battery™ Energy Monitor helps you optimize your body? s energy reserves. The Optical heart rate technology gauges activity intensity as well as heart rate variability to calculate your stress level and also tracks underwater without a heart rate strap. Fenix 7S Features: Rugged Outdoor GPS Watch Always-On 1.2 Sunlight Readable Display Case Size: 42MM Bluetooth Smart Wi-Fi® & ANT+® Connectivity Long-Lasting Battery Life - Up to 11 Days (Smartwatch Mode) - Up to 37 Hours (GPS Mode) - Up to 26 Hours (All Satellite Systems) - Up to 7 Hours (All Satellite Systems + Music) - Up to 90 Hours (Max Battery GPS Mode) - Up to 26 Days (Expedition GPS Activity) - Up to 38 Days (Battery Saver Watch Mode) Monitors Heart Rate Activity & Stress Multi-GNSS support Water Resistance up to 10 ATM Pulse OX Sensor Advanced Performance Metrics & Power Manager PacePro™ Feature (Only with Garmin Connect) ABC Sensors to Monitor Weather Safety And Tracking Features Body Battery™ Energy Monitor Expedition Mode Climbpro Built-in Sports Apps Supports Garmin Pay™ Service & Connect IQ™ Store Apps Ski Power Metric (Sold Separately)