Spirit Level with Bubble Level.It is very accuracy level tool.
and you can Calibrate value, if you want.
This Level Measuring tools work by Smartphones level sensor.
This is a necessary tool for interior decoration. or necessary tool for a field of construction work.
also It was designed LandScape display!
You can use conveniently.
It is wonderful Slope measurement tool.
-Added sound effect.
(sound effect at xy value -1.5~1.5)
Level Ultimate Lite