iPhone ver 37,000 DL / Android ver 15,000 DL.Review iPhone★4.5/Android★4.0
・Simple measurement of an angle and a slope can be performed.
・An angle is spoken. It is helpful by adjustment work.
・If a calibration is carried out, accuracy will become good more.
・The digital display of an angle and a slope rotates so that it may be easy to be visible in accordance with inclination.
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