Chromatic Tuner, Sound Reference, Seiko (Item Code: SAT501S) Large Display and Bright LEDs Provide High Visibility. Built-in Microphone, Input-Jack, and Output-Jack.
LCD Display, Digital Cent Indication, Calibration Indication, Mode Indication, and Octave Indication
Tuning Range: A0 (27Hz) - C8 (4186Hz)
(Note=C, C#, D, E, F, F#,G, G#, A, B, B)
Sound generation: C4 - B4 (12 Notes)
Pitch Shift: A4=410Hz - 450Hz (1Hz Step)
AAA Batteries included