Dive Alert Ultra-loud Surface Signaling Device DB1 Regulator Accessories Adjustable cinch closure at wrist

Adjustable cinch closure at wrist

Soft Silicone Mouthpiece and Flex Tube

3mm Available in: Black/Blue

compact and inexpensive ideal for the open water student

Dive Alert Ultra-loud Surface Signaling Device DB1 Regulator Accessories Adjustable cinch closure at wristDive Alert Ultra loud Surface Signaling Device. DiveAlert compatible with 85% of all power inflators including theAquaLung i3 Control System. What do you do in a diving emergency if you need to get the attention of the pick up boat or someone else on the waters surface? Scuba divers have traditionally relied on whistles as their only audible surface signaling device. But if you need to attract the attention of someone who is too far away to hear the