An even more readable display, with a larger note name indication.

A wide detection range supports tuning for any instrument.

Calibration function is provided.

Marks provided to indicate pure major and minor third intervals.

Sound Out mode is ideal for ear training.

Dramatic increase in battery life.

Reduced stress when using the unit on a music stand.

Memory backup function and auto power-off function provided.

Memory backup function and auto power-off function provided.

Scale 12 note equal temperament

Detection Range (Sine wave) A0 (27.5Hz)–C8 (4186Hz)

Reference Tone C4 (261.63Hz)–C5 (523.25Hz) One octave

Tuning Modes Meter mode, Sound Out mode

Calibration Range A4 = 410Hz–480Hz (1Hz steps)

Detection Accuracy +/- 1 cent

Sound Accuracy +/- 1.5 cent

Connectors INPUT jack (1/4" monaural phone jack), OUTPUT jack (1/4" monaural phone jack)

Internal Speaker Dynamic Speaker (φ21mm)

Power Supply AAA battery (3.0 V) x 2

Battery Life Approximately 135 hours (zinc-carbon batteries, Meter mode, A4 continuous input)

Dimensions (W x D x H) 100 mm x 67 mm x 17 mm / 3.94" x 2.64" x 0.67"

Included Items Two AAA batteries for verifying operation