氣泡水平儀+傾斜儀

The best and most accurate level from iPhone now on Android. This is the first version, that has a unique two way calibration! With that you can calibrate your device even on non-level surfaces.

We will this product long term and add more features!

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According to wikipedia: An inclinometer or clinometer is an instrument for measuring angles of slope (or tilt), elevation or inclination of an object with respect to gravity. It is also known as a tilt meter, tilt indicator, slope alert, slope gauge, gradient meter, gradiometer, level gauge, level meter, declinometer, and pitch & roll indicator, . follow us on facebook,skype or twitter