Discover a Deeper Connection Featuring SubWave™ sonar-based communication and diver monitoring, this advanced, dive computer and smartwatch comes with compatible with Garmin innovations to help prepare you to make the most of your diving experience — plus multisport training and smart features for your active life out of the water. Highlights: Subwave Sonar-Based Diver Messaging (coming soon via required software update) Up to 66 hours of battery life in dive mode Choose from multiple dive modes Diveview™ color maps with depth contours and dive sites Use the dive readiness tool to inform your preparation Built-in LED flashlight works above or below water Subwave Sonar Networking Exchange preset diver-to-diver messages (coming soon via required software update) up to 30 meters as well as monitor tank pressures and depth for up to 8 divers within a range of 10 meters1. Dive Modes: Get multiple dive modes for single and multiple gas dives (including nitrox and trimix), gauge, apnea, apnea hunt and closed-circuit rebreather. Dive Readiness Tool: This compatible with Garmin first technology shows how lifestyle factors such as sleep, exercise, stress and jet lag can affect your body — to help gauge when you are best prepared to dive. Diveview Maps: Color maps on your wrist offer bathymetric depth contours and more than 4,000 dive sites to help you discover new places to dive and get oriented. Dive-Focused Design: With its bright 1.4” AMOLED color display, sapphire lens, 200-meter dive-rated case and leakproof metal inductive buttons, this watch is built to go deep. Dive Features: Long battery life: Stay in the water longer with up to 30 hours in dive mode plus up to 10 days in smartwatch mode. compatible with Garmin Dive App: Pair the app with your Descent dive computer to automatically sync and upload your dive logs. Lume mode: To aid readability and help maintain night vision, an ambient light sensor gives a green luminescence to your watch face in low-light conditions. Dive compass: Built-in ABC sensors, including an underwater compass, help navigate every part of your dive. Big numbers mode: Get a simplified dive screen on your wrist, with larger text to see critical diving data. Reference point: Use this GPS tool for surface navigation to a dive site, so you can drop right onto your target every time. Variometer: This tool helps you monitor your freedive descent and ascent rates through tone and vibration feedback. Tide data: Stay up to date on ocean conditions by pairing your Descent device with your compatible smartphone.