Ocean Reef M-101A G.Divers Underwater Receiving Unit Flash & Accessories or for the smaller technical

or for the smaller technical adventurers amongst us

Whether you’re wet or dry

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

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Ocean Reef M-101A G.Divers Underwater Receiving Unit Flash & Accessories or for the smaller technicalOcean 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