Simple and quick to use

Once the accessory placed on the instrument thanks to its clip, simply vibrating string and read the screen. The closest note is displayed, and the color changes from red to green when the note is in tune.
The manual is in English, but the use is intuitive. It is recommended to place it on the sleeve, but I put it in the opening of the table reading easier and clearer vibrations.
The screen can be rotated from side to side and tilt up and down: no matter where you place the reading is comfortable.