Sharkbanz Zeppelin Shark Deterrent brings innovative, leading performance, a must-have for those who have every helpful advantage in their tool belt. Using patented magnetic technology researched and tested by marine biologists on predatory shark species, Sharkbanz overwhelms a shark's electroreception, creating a highly unpleasant sensation that can stop a shark in its tracks, protecting your catch, gear, and good time on the water. Sharkbanz tackle does not harm sharks or repel other fish. TSA-friendly, airline travel-friendly, and built with biodegradable, environmentally friendly components, Sharkbanz shark deterrent improves every open-water fishing trip. Deterrent field range: 3'6' (1m2m). Weight: 6.5 oz. Proven to reduce the number of fish lost to sharks while targeting bottom-dwelling fish species Magnetic technology so no batteries or charging Always on Effective at any depth TSA- and airline travel-friendly Biodegradable components