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The Ocean Reef GSM G-Diver Communication Unit is a wireless underwater communication device that has a range of up to 250 meters in calm waters. It’s lightweight design and push-to-talk functionality make it great for teaching and guided tours. The unit takes a single 9V battery, but it will warn you when the battery is running low with an audible beep every 30 seconds.
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|Accessory Type||Full Face Mask Accessories|