Aquatec Scuba Diving Air Alert is an audible signal device that works on the surface and underwater as well. It allows you to signal your dive buddy effortlessly at the press of a button. This horn generates a loud "quacking" sound by using tiny pulses of air to rapidly vibrate a steel disc.

Aquatec Scuba Diving Air Alert Features:

• Easy to install
• Signals underwater and on the surface
• Easy to activate horn button
• Volume approx 125-135dB
• Fits standard inflator system
• Easy to Clean: Simply Rinse in Fresh Water After Use
• Approximate range:
• Surface ? 1 K
• Underwater ? 100 metres