Sharkbanz

Based on 10 years of research and testing, Sharkbanz takes advantage of sharks' unique and powerful electrical sense (electroreception) to cause a highly unpleasant sensation that turns sharks away.

New, shocking research by Sharkbanz put to its technology to the test as a frenzy of bull sharks tried to attack a surfing dummy. Sharkbanz stood up to the test against these underwater predators, with shocking results when the technology was not being used.

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https://www.sharkbanz.com/pages/research