Dive Alert Ultra-loud Surface Signaling Device DB1 Snorkeling Sets it offers even more in

it offers even more in both performance and ease of use

The preformed shape favours the natural position of the hand

the compass is very easy to read

Polyurethane compound liner

Dive Alert Ultra-loud Surface Signaling Device DB1 Snorkeling Sets it offers even more inDive 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