A shark deterrent ankle device uses electrical signals to repel predatory sharks within a two to two-and-a-half metre range. Independent testing by the University of Western Australia showed the technology has a 60% success rate in turning sharks away when they approach. The device works on pelagic sharks including great whites, bull sharks, tigers and makos by creating discomfort in their electrical sensory system.

From Channel 7's popular breakfast show with Natali Barr and Matt Shirvington, Sunrise brings you the show's latest news, entertainment and human-interest stories.

From Channel 7's popular breakfast show with Natali Barr and Matt Shirvington, Sunrise brings you the show's latest news, entertainment and human-interest stories.

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Sunrise

From Channel 7's popular breakfast show with Natali Barr and Matt Shirvington, Sunrise brings you the show's latest news, entertainment and human-interest stories.

Electric ankle device promises shark protection

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