Garmin Descent S1 Buoy, Diver Communication w/SubWave Sonar Messaging and Diver Monitoring, Descent T2 Transceivers and Compatible Dive Computer Required +Wearable4U PowerBank Bundle Drysuits ADJUSTABLE - With 2 adjustable

ADJUSTABLE - With 2 adjustable click straps

and FREE quick release coil lanyard ($15

Up to 30 hours battery life & wireless charging

With the expandable memory of the ReefMaster RM-4K

Garmin Descent S1 Buoy, Diver Communication w/SubWave Sonar Messaging and Diver Monitoring, Descent T2 Transceivers and Compatible Dive Computer Required +Wearable4U PowerBank Bundle Drysuits ADJUSTABLE - With 2 adjustableBrand: Wearable4U Color: Red Features: For increased awareness, the buoy can be paired with up to eight Descent T2 transceivers (sold separately), enabling those on the surface to use the Garmin Dive smartphone app to monitor the divers tank pressure, depth, distance and approximate locations on a map within the SubWave sonar network. (Conditions such as surface, waves, chop, objects and diver position can obstruct the signal and reduce range.)