The little ones in the box are exactly what they say the pest repellers, some of them are three packs, some of them are two packs, and those three that don't have a box are the same thing, but they're for outside, their solar powered, all of them are brand new, never been used! (The ones in the boxes they're supposed to be one in each room) IDK!! I live in a camper and I was freaking out one day over a rat, and so there's one in every room of my camper & the ones outside I've got three of them, butt I haven't seen no rats though since I got them

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