Me and my son went outside to test how far you can hear with a full tank. I went out about somewhere between a half mile and 3/4 mile and could hear clear pretty clear. Louder then you would think. But there's no instructions for it just the specs for it. AT FIRST, YOU MAY NEED TO PUSH HARD TO BREAK THE GROOVE, but afterwards you don't have to press hard. It's really light and decently small just the nozzle. I don't think the nozzle is plastic, it sounds and feels like poly glass and the can seems like a very thin layer of some strong material. DONT BE MISTAKEN ABOU THE (TURN DIAL LOOKING THING) NEXT TO THE TRIGGER, IT'S NOTHING. I recommend getting it.
Rating: [5 of 5 Stars!]