±1 mph accuracy on a baseball thrown from 120 feet away (150 feet for a softball), smaller and lighter than a cell phone, easy to hold or attaches to a tripod with the same mounting as a cell phone. Runs on 2 AAA batteries (better than the more expensive rechargeable version which can go dead on you at a tournament... this model lets you quickly swap in fresh batteries). Protective case with belt clip included. Very lightly used. Used by every Major League team (I've seen it used at multiple spring training sessions by multiple teams).
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