It was the electronic level that spoiled the whole impression, it is just a curve. After a time, it does not turn on at all - the degree icon blinks stupidly, and there are no digital values \u200b\u200bof the angle and, accordingly, the function of indirect measurement of height through the angle disappears. When he does turn on, he starts to lie. On a flat surface, it shows +0.9 degrees, while turning the meter 180 degrees horizontally does not change anything, the same +0.9 remains, that isSee full review