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Warm tips about golf rangefinder -In order to protect the coating of the lens, do not use your fingers to touch the surface. -Laser rangefinder has been precisely calibrated by instruments, please don't disassemble by yourself. please send the device back to dealer for repairing when need. -If lens becomes dirty, please wipe gently with cleaning cloth, do not use other objects to wipe it. -Avoid collision or heavy weight when carrying or using it, especially keep away from baking or corrosion.







