Spirit Level Beep Bubble

Beep Bubble Spirit Level.

Bubble level Features:
* Sound rate increase as your object get more leveled (0 Degrees).
* First time device calibration.
* X or Y Axis lock by tapping on the lock icons.
* Disable/enable sound by tapping the speaker icon.
* Start sound function at a selected angle.
* Change leveling accuracy.
* Display surface inclination in cm or inches (the user must enter the surface length & lock one axis)

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