**Characteristics:
- Indicates decibels by the manometer
- Show the current noise reference
- Display min / avg / max values ​​in decibels
- Decibel screen by the graph of
- Can calibrate the decibel for each device
**Notes
This application is not designed for professional use, it can be used professionally (only if it is correctly leveled), If it is not well leveled. It does not guarantee an accurate measurement of noise.
Since each device has a different response to noise, a comparison with a professional noise level meter in the measurement dynamic range is required.
The utilization of the app requires adequate technical knowledge and skill; an extemporary measurement might not be correct.For more information, please refer to the device calibration and dynamic range specifications in the Tutorial section.

**Calibration at home
Go to the bathroom close the door silently, then in the configuration and calibration modify the values ​​until starting to show values ​​between 15 and 20 dB
in the bathroom.