The Garmin Decent S1 Diver Communication Buoy significantly improves diver safety by facilitating communication and surface monitoring through SubWave technology. It tracks tank pressure, depth, and location for up to eight divers simultaneously. Surface teams can send predefined alerts to divers underwater, enhancing safety protocols. After dives, users can sync and analyze underwater heatmaps via the Garmin Dive app for detailed performance insights. With a battery life of up to 15 hours per charge, it ensures dependable communication. This buoy is compatible with Descent T2 transceivers and select Garmin dive computers for integrated operation. Features Enhance diver safety: Garmin buoy enables communication & surface monitoring via SubWave. Monitor tank pressure, depth, & location of up to 8 divers with this communication buoy. Topside crew can send preset alerts to divers underwater, improving marine safety measures. Sync & review underwater heatmaps in the Garmin Dive app post-dive for performance analysis. Enjoy up to 15 hours of battery life per charge, ensuring reliable diver communication. Compatible with Descent T2 transceivers & select Garmin dive computers for seamless use.