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The S.O.S. beacon is the reason I grabbed this, and it's ridiculously easy to trigger even with cold, shaky hands. Tested the waterproofing in the sink and it took the dunk without a single flicker. Five modes cover everything from reading to signaling, all in a package that disappears in a jacket p

Tossed it in my go-bag without thinking, but the waterproof seal really impressed me when I tested it under the faucet. Five light modes covers everything from reading to signaling, and it's compact enough to clip onto a backpack loop without noticing.

The S.O.S. beacon mode alone makes this worth every penny, and I love that it’s fully waterproof so I don’t stress when it’s clipped to my bag in the rain. Switching between the five light modes is super straightforward, even with cold, clumsy fingers.