Features and Specifications 
 
Mode: Auto and Manual Tuning Modes
Tuning Range: A0(27.50Hz) - C8(4, 186.00Hz)
Tuning Note: 6E-5A-4D3G-2B1E (Acoustic & Electric Guitar)
                                LowB-4E-3A-2D1G-HighC (Bass Guitar)
                                4G-3D-2A1E (Violin)
Accuracy: +/-0.5 Cents
Calibration: 435-445Hz (1Hz Step)
Input & Output Jack for Electric Instruments Tuning
Condenser Microphone for Acoustic Tuning
Power: 9V(6F22/S006P)