There is no advertising or extra feature is a simple level.
Horizontal instrument,please use the measure of level.
To this horizontal instrument is equipped with the following features.
- Lock function.
- 0 points reset function.
In addition to the above,the following features in the paid version.
- Decimal display
- High-precision calibration.
- Precision, change of viscosity.
- Change of color.
- Gradient display and angle display switching.