Featuring SubWave sonar-based communication and diver monitoring, this advanced, air-integrated¹ dive computer and smartwatch comes with Garmin innovations to help prepare you to make the most of your diving experienceplus multisport training and smart features for your active life out of the water. Subwave Sonar-based Diver Messaging Up To 66 Hours Of Battery Life In Dive Mode Choose From Multiple Dive Modes Diveview Colour 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 Included Descent Mk3i51 mm, Carbon grey DLC titanium with black silicone band Black extra-long adjustment strap USB-C Clip Charging/Data Cable Documentation Additional InformationRead More Air Integration Pair with our Descent T2 transceivers (sold separately) for integrated pressure monitoring on up to 8 tanks via the SubWave sonar data network. Subwave Sonar Networking Exchange preset diver-to-diver messages (comi