AFINADOR ROTOSOUND AT350 CHROMATIC TUNER

Chromatic guitar tuner with the following specifications:
Tuning Items – Chromatic, Guitar, Bass, Violin, Viola
Tuning Key – C, F, B, E
Detection Range – A0 (27.5Hz) to C8 (4186.0Hz)
Pitch Range – 430Hz to 450Hz (1Hz stops)
Detection Accuracy ± 0.5%