Don't think they use much battery power and there is an off position between each intensity level. I was concerned about running out of battery on a hunt and not being able to see the reticle, but it is quite visible without being lit. Green lasts 198 hours and red 68 hours, don't know why the difference and at what level of brightness.Now that is definitely worth a closer look. Thanks so much!
I assume the battery power isn't that big of a deal?
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