 It's noiseless, fly repellent fan, chemical free, and hangable. You can also hang this thing, so it just says fly repellent, but I was reading on the website where it's supposed to be repellent mosquitoes. But what it is, it's mostly for flies if you're sitting outside and we all know it's like to have a picnic right and you're sitting at the picnic table or what not you got your flies flying around you're always gonna like that we all hate that so it's packaged nice very nice little phone okay we're gonna open this up and you can hang it as well like that okay then you can put it down there where you can put it down there goes up here like that you can put essential oils down in here that also help repel bugs there it is you can feel click into place when you turn them here's where the batteries go right here okay so let's put the batteries in here we're going to open the bottom up raise it up a little bit here like that let's turn it on just turn it on set it down there and the flies should stay away from this thing and if you need more and turn the turn another one on that's hitting the tripod let me back up and there you go