It does what it is supposed to do. It's a little fiddly at first because the actual wiring is a little heavier than most, but it can be managed. I'm not using external video/audio connections yet, so I can't recommend them other than sometimes they get in the way. I've used it in mud and rain on my MTB and a few rain rides on my roadie. Much better than changing the battery and exposing the lens/internal to water/moisture.
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