1.Mode: Auto Chromatic Tuning mode

2.Tuning Range: A0(27.5Hz)-C8(4186.00 Hz)

3.Tuning Note: Chromataic Mode:C, C#,D, D#,E, F,F#,G,G#,A, A#,B

4.Input Impedance: 500KΩ

5.Power Consumption: 90mA

6.Battery: 9V(6F22) Battery or DC9V Adapter

7.Connectors: Input jack, Output jack, DC input

8.Dimension: W 110mm*H 60mm*D53mm

9.Weight: 230G