Aquatec Duo Alert Underwater Audible Signalling Device

Aquatec Duo Alert

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Signal for attention both underwater and on the surface with the Aquatec Duo Alert system. Fitted inline between your BCD and low pressure inflator hose the Duo Alert is easy to locate and use when required. The high level resonating frequency means it can be heard over a 1km distance on the surface and approximately 100m underwater.



  • Below and on surface use
  • 1km audible distance on surface
  • Approximately 100m audible distance underwater
  • Low pressure inflation hose connection