BikeRadar.com gives the Gemini Xera LED Light System 4.5 stars out of 5 calling it “tough, weatherproof and one of the best we've used”.
Small enough to be unnoticed on bars, helmet or headband mounts the Xera comes highly recommended as a helmet light with a beam so focused and impressively far reaching, with no dark sports or irregularities. The Xera upgrade to 4-cell also gets praise, doubling the run time for those who need a serious amount of range, or don’t like recharging as often. In summary:
A highly versatile, lightweight, tough and super-compact set that’s perfectly powerful enough.
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