Innovative Scuba Concepts Duo-Alert Standard INFLATORS

Features: ScubaPro A.I.R. 2 TUSA Duo-Air Sherwood Gemini Diverite Source Details: The Perfect Signaling Device.... Traditionally, scuba divers have relied on whistles as their only signaling device in surfacing emergencies. But if a diver is disabled and can't blow into the whistle, the whistle makes no sound at all. Equally frustrating (and dangerous), if a diver needs to attract the attention of someone who is too far away to hear the whistle, the whistle is of no help. Or, what would you do if you wanted the attention of your dive buddy, for whatever reason, and they were simply distracted and not paying attention to you at that very moment? Traditionally, you would be forced to swim up to them until you got their attention. In contrast, Duo-Alert enables divers with a mere squeeze of the unit to generate a loud blast of sound on the surface that can be heard up to a kilometer away! Or, for subsurface signaling the diver can now signal for his dive buddy's attention underwat