A4 Frequency: 440Hz
Screen: LCD display.
Tuning type: Guitar, Chromatic, Bass, Violin, Ukulele.
Tuning Item: Chromatic, Guitar, Bass,Violin, Ukulele C, Ukulele D
Tuning range: A0(27.5Hz)--a3(1760Hz).
Tuning accuracy: ±0.5cent.
Screen Size: 23mm*16mm.
360 degree tuner.
Old-school tuner design,still reliable and stable.
Powered by one CR2032 button battery (included).
Battery door with screw-fixed function, to prevent the children from swallowing batteries