Features:
Works by vibration, support accurate acoustic and electric guitar tuning without ambient noise.
LED indicator to show the state of sound fast and distinctly, also can be used in dark places and stages.
Pick up the sound fast and in a high sensitivity.
Clip can be turned at 360 degree in order to get the best angle.
Low power consumption and AUTO-OFF function.
Pick holder at the back , convenient to use.
Compact design and let you take it anywhere.
Easy operation with one control switches.

Specifications:
Color: Black
Tuning instruments: acoustic guitar
Tuning range: C-a1
Tuning mode: automatically
Accuracy: ±1 pitch
A4: 440HZ
Power supply: 3V 2032 cell battery (included)
Item size: 6 * 3.5 * 2cm
Item weight: 35g

Package including:
1 * Guitar Tuner
1 * 3V Cell Battery
1 * Pick Piece
1 * User Manual