ProChrono Pal LED Light mod Part One
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Video Source: www.youtube.com/watch?v=MLOnd45Sp58
ProChrono Pal LED Light mod Part One:Just a LED mod to allow measuring when there is not enough light. This runs on a 9 Volt batterie for outside use or wit...
ProChrono Pal, LED mod, Shooting Chrono, Indoor Shooting Chrono, Speed Of Flight, Bullet Speed
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