bought the three pack for go bags. one went into the shallow end of my poo for a short time (about three feet of water), didn't work after that. for survival gear, this is unsat. now these survival tools have lost credibility and have been booted from my go bag because i can't say for sure they are waterproof. emailed the seller at the address provided in the product packaging, it was returned as undeliverable to that address. no support, not waterproof. gave two-stars just for the concept of lighter with flashlight. i don't recommend, nor would i buy again from this seller.
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