KM-J800H Golf Rangefinder with colour touch LCD HD colour screen, high accuracy 800m rechargeable laser hunting rangefinder, 6.5x magnification, fast measurement, rotating focus, needle finding measurement, voice announcement, IP54 level waterproof and du

SKU: GW56.0008

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Yes, you can adjust the eyesight on the lens, plus or minus. It compensates for poor eyesight or can also be used by people who wear glasses - with or without glasses. 
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In principle yes, but ball recognition does not work reliably. But you can aim the ball and the approximate distance to the aiming point will be displayed. 
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Yes No problem. I also use it in tournaments, as long as they don't take place on my home course.