The rangefinder is not for professionals, more for infrequent use, and it looks so beautiful, but there are disadvantages: very small, convenient on the one hand, not on the other, small numbers on the display, if you need all sorts of volumes, squares, areas, then manage 2- buttons, which is a little more complicated than that of analogues. But the device with its function to measure the distance from point A to point B does EXCELLENT.