Is voted solely by the vibrations of Musikinstumentes. the display shows a digital pointer appears on the scale.
When votes:
As long as the sound is wrong, the diplay red. It turns green when the sound is made. Then is the pointer in the middle of the display. The automatic switch-off after about 3 minutes. Through the ball joint on the device can clip dehen in many positions and therefore shows almost always the player.
For the money, a clear recommendation.
