**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.

// Option A //

To download Noise Level Meter - DB meter mod from HappyMod.com.
You need enable the option "Unknown Sources".
1. Click on the above link to download Noise Level Meter - DB meter mod APK.
2. Save the file in your device Downloads folder.
3. Now tap on Install and wait for the installation to finish.
4. Once it is done, open the game and start playing it right away.

// Option B //

To download Noise Level Meter - DB meter from HappyMod APP, you can follow this:
1. Open your browser and download the HappyMod APK file from HappyMod.com - the only official website of HappyMod.
2. Open Android Settings and go into Privacy or Security.
3. Tap the option to Allow Unknown Sources and enable it.
4. Go to your Android downloads and tap the APK file.
5. Follow the directions on the screen to install it.
6. Search Noise Level Meter - DB meter in HappyMod App.