On Tuesday, November 21, 2017 at 2:34:34 PM UTC-8, James wrote:
https://www.bike24.com/p2144878.html

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This is my STVZO beam.
https://www.youtube.com/watch?v=SXuE3JmBclM
This light measured 325 lumens at Light and Motions lab about a year ago, from a single led. Different LEDs and higher power take this light up to twice the output.