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.