Shoreline MarineEco Air Horn

We have bears visiting our property, and literally knocking on our slider. This blast scares them off instantly. Be sure to wear ear protection and protect your pets (even while in doors) The sound is painful and damaging without proper protection. This works well, without the pain bear spray can cause to our furry guests

The title says it all. When a relatively large black bear entered our campground, a few quick blasts, made it immediately turn around and walk away in the other direction.

It worked OK however I prefer the smaller ones better. I use these to call my Australian shepherd back when he gets out of sight. The smaller ones have a different pitch

UPDATE: I've now been using the *first* one (of five) for almost four weeks, off and on -- probably, a total of 15+ short (< 1 sec.) blasts. It still feels like the can has maybe 40% or life left; it certainly doesn't get cold when using it, which seems to be the clue that the gas is almost gone. Yes, the horn tends to loosen with use, and the loudness suffers. It needs to be pretty tight to work. I suppose one could put a little Loctite on the threads before the first use, but I just tighten the horn every time I go out. For the price and ease of carrying, I will *definitely* buy these again.________I've seen reviews of this device and others that say, "It worked a couple of times, then stopped. Won't buy it again." Here's my take.This is a small, very portable alarm (fits in a pants pocket) that makes a loud noise to notify others that you are either in distress, or want them to stay clear. I'm using them to train my dogs -- definitely gets their attention! The output is VERY loud -- I wouldn't recommend using it indoors -- and I've used it for 5-6 short blasts (1/2 sec. or less), with no obvious signs that I'm about to run out of gas; I expect to get at least 2x that use out of each can. Will it signal the period ends at soccer games over a playoff weekend? Probably not. There are three sizes of these devices, trading off ease of carry vs. the number/length of blasts in the air can. This one is designed to be portable, with enough 'toot' to save one fog-stranded kayak paddler, keep a couple of dogs from chasing squirrels in a park for a few days; or scare away one bear or coyote. For larger jobs, get the 8oz. model, which has 6-7x the compressed air. And I don't know if they've improved the design, but my horns have brass thread where they attach to the canister, so if tightened properly, they shouldn't leak air. If I had any complaints, it would be that the button on the horn is kind of hard to push: it's not possible to give a polite 'chirp' -- when pressed, one has to mean to use it!

Well, this is loud! I bought the smallest one on Amazon, since it's just for emergencies or rarely to get people's attention. (I don't have a boat, or I'd probably have bought a much bigger one.). I bought one as a desert tour guide for stragglers. I warned them "one blast, stop dawdling and walk toward the bus; two blasts, we're about to leave, so maybe you should pick up the pace; three blasts, call an Uber if you can get a signal. We're leaving without you." I never had to use the horn, but just telling them about it made a difference. Especially the part about "call an Uber *if* you can get a signal," something people take for granted in the cities and suburbs, but when you're in the desert mountains, signals are few and far between.The other one I bought a few years earlier for a tenant who had a young, rambunctious upstairs neighbor who practiced nightly noisy interactions of just the type you are imagining. Banging on the ceiling with a broom stick didn't work. Talking to her didn't work (the tenant talking). I finally wrote a letter saying "You know, Mary can hear *everything* you do in your bedroom. Everything." The tenant didn't care, so I bought Mary an airhorn to use to scare the bejeezus out of the rambunctious upstairs tenant. She used it only once, and the tenant upstairs got quieter after that.Long stories, just to show that these things are loud, compact, convenient, and inexpensive. I've never used one long enough to see how long the charge lasts, but for my purposes they were great.

This is useful to blare as personal protection. Police in Florida advised me . I had to use one there as in my gated yacht community a person was stealing my $50 solar light and I told Him to put it down. He came at me and I blasted him ! He ran like HELL

This is the 4th one I have ordered and it leaks badly. I was careful attaching the horn to it and have repeatedly tightened it to stop the leaking but can't get it to stop. Since the others worked fine I think this one is faulty. I ordered it, as a defense against bears which seem to be in an abundance this year so it was important to me that this worked !!!

Bought for boat. Bottom rusted within a month and stained holder. Maybe a plastic or rubber ring on the bottom might help out.