Ocean Reef M-101A G.Divers Underwater Receiving Unit Flash & Accessories 6 Months for the Battery

6 Months for the Battery and Charger

The cylinder is lightweight yet sturdy

This not only makes deployment a very simple procedure but it allows you to conserve expensive mixed gases for what they are intended rather than SMB inflation

Whether you’re wet or dry

go for the size up

Ocean Reef M-101A G.Divers Underwater Receiving Unit Flash & Accessories 6 Months for the BatteryOcean Reef M 101A G. Divers Underwater Receiving Unit The Ocean Reef M101a G. Divers is a Receive Only Unit Operating On One Channel. The M101a Fits On Any Conventional Mask Strap Or Full Face Mask Models. It Might Be Held And Shared By More Divers Thanks To The High Quality Speaker. The M101a Uses A 9v Alkaline Battery And Has A Low Battery Alarm Which Beeps Every 30 Seconds When The Battery Is Low. Last Updated: March 2026