I'm very happy with this box, and might have to order a few more. But I'm not sure I would trust them outdoors. The waterproofing depends on your ability to make a closed o-ring out of an un-closed strip. The material seems to be really good, and it is dead-simple to stuff it into the provided groove. The groove is deep enough to hold onto the o-ring, but leaves plenty of material above the lip to seal against.I just worry about the end. With a little acetone, cyanoacrylate, patience and skill I could probably make a perfect o-ring, but I'd have preferred if someone else did that for me.
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