Be Careful: Neither Water Resistant, Rain Proof, nor Waterproof

On the plus side, the light is super bright (350 lumens) and the horn is very loud. Also able to go up to 2 weeks without recharging the batteries. The top of my unit got wet because of rain. The horn button seems fairly water-tight, but the top of the main unit's housing is another story. After 14 hours of drying-out there is still condensation inside the clear plastic covering of the solar panel. Also, horn electronics have shorted -- horn goes off randomly when plugged in or just produces an anemic chirp. There is also water leaking from the horn jack receptacle which entered through the solar panel cover. Leaving the unit in the sun all day doesn't recharge batteries, so I'm thinking the solar feature is more of a gimmick than anything useful. As a guesstimate, using the light with full-beam about 1 to 1.5 hours a week (with very liberal use of the horn whenever riding) requires the unit to be charged once every 2 weeks. A red light flashes when batteries are running low. Charging takes about 6 - 8 hours. As another nitpick, it's really annoying to cycle through 4 light modes just to turn the unit off. Depending on your riding style, the horn button clasp may be prone to slip when you press it. The horn clasp is a rubber band-like and not a bolt. Since most horn-light combos are like this, I wouldn't deduct points for this. Just something to be aware of. Overall it's a good light, but it's not rainproof or waterproof. And the solar panel feature is possibly a sales gimmick. If you decide to purchase, don't allow it to get wet!

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