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Mares Magnetic Shaker Scuba Diving Communication Device
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Mares Magnetic Shaker Scuba Diving Communication Features
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Uses a special magnetic system
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Magnet is located inside on either end of the shaker with a ball bearing in between
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Shaking the device moves the ball bearing, creating a loud echo sound underwater
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Great for underwater communication
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A useful underwater safety device
About Mares Magnetic Shaker Scuba Diving Communication
Clip this device onto your bcd so it's handy when you need to get your diving buddy's attention. A magnet is located inside on either end of the shaker with a ball bearing in between. Shaking the device moves the ball bearing, creating a loud Echo sound underwater. It's a great communication system when in a world where words simply won't be heard..
