The Scuba-Alert is an underwater horn that allows you to signal you 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.
Signals underwater and on the surface
Easy to activate horn button
Volume approx 115-125dB
Fits standard inflator system and Air Xs2
Aquatec Duo Alert
The Duo-Alert is a dual function signaling device. It is actually a Scuba-Horn and Scub-Alert built together in one unit.