Rating: A very handy safety device
Reviewer: Timothy Dyson, - View all my reviews
Our dive master in Mexico used one of these on our dives. The visability was minimal and this device was very effective in communicating location and getting our attention. Highly recommend having one of these!!!
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35 out of 74 people found this review helpful.
Rating: Not very good underwater
Reviewer: Vitaly Gritsenko, - View all my reviews
Although its very loud on the surface, nobody can clearly hear it underwater if you are beyond about 10 meters apart.
I found a trick, if you can see other person, watch when he inhales and then sound the scub-alert, otherwise the bubbles sound blocks all other sounds around the diver
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379 out of 718 people found this review helpful.
Rating: Honk-honk
Reviewer: Patrick Saint, - View all my reviews
i had seen it in action in honduras and had to have it. its in my opinion the only way to be heard under water...and pretty far too. i tried it out of the water too i got everybodys attention.
patrick
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300 out of 602 people found this review helpful.
Rating: Hard to hear with hood!
Reviewer: Barry Cline, - View all my reviews
We dive in the Pacific Northwest and wear heavy hoods for the water temps tried these a couple times and could not hear them, we are going to Roatan next week and wil try them again. Not real loud on the surface either.
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322 out of 656 people found this review helpful.
Rating: Great product
Reviewer: Byron C., - View all my reviews
This is a great signaling device under the water as well as at the serface. Much louder than the standard whistle. Only draw back is you need air in your tank so keep your whistle in a pocket just in case.
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327 out of 634 people found this review helpful.
Rating: SCUB-ALERT SURFACE AND UNDERWATER AIR HORN
Reviewer: Ross Neill, - View all my reviews
great device for teaching...not too loud on surface, but enough to contact boat at 100 yards. under water, the quack does not frigthen the students but rather gathers their attention and dms notice and react fast.
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275 out of 573 people found this review helpful.
Rating: SCUB-ALERT SURFACE AND UNDERWATER AIR HORN
Reviewer: paul erben, - View all my reviews
I am fairly impressed with the horn, my only dissappointment is that it is not quite as loud underwater as I had hoped.
However, having said that, it is an important addition to a divers bag of safety devices to be carried at all times, especially when drift diving.
Regards
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290 out of 591 people found this review helpful.
Rating: How bad do you want to be heard?
Reviewer: David F. Wyckoff, - View all my reviews
Overall I am happy with our Scub-Alert air horns. Underwater the Scub-Alert works well and does get the attention of the people around you with a "quack" sound, however, on the surface it is not as loud as I expected, in the ocean with all of the ambient noise I would not expect it to be heard past a hundred feet if even that far (my wife disagrees and says fifty feet if even). If you are looking for a Scub-Alert of this type I would recommend finding one with a loud shrill or a sound that is more likely to be heard as a distress sound and travels further.
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382 out of 769 people found this review helpful.
Rating: Air Horn
Reviewer: Leonard L., - View all my reviews
Very pleased with this product.
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184 out of 357 people found this review helpful.
Rating: Kind of expensive but nice to have
Reviewer: Michael M., - View all my reviews
Works as designed when hooked up to the BC. Never had a chance to use cant tell if an inflatable sausage would be a better investment.
FULL MANUFACTURER'S WARRANTY
A very handy safety device 
Hard to hear with hood! 
