Greetings, and sorry if I'm in the wrong forum. I would like to know how many hours I can leave a smoke chamber on, that is, I turn it on, I vote the smoke, then I leave it there constantly on to vote the smoke whenever I want .. ?? Or should I turn it off when I no longer use it, and then turn it back on when I'm going to use it. Is something damaged if I leave it on for an hour or two .. ???