Features:
Digital Tuner is more accurate， very sensitive and wide range.
Can rotates 360 degrees for easy view.
It clips this unit on a flat surface or instruments.
Powered by one CR2032 button battery (NOT INCLUDE).
Tuning for Chromatic， Guitar， Bass， Violin and Ukulele.
 
Specifications:
Color: Black & white
Mode: JT-13B
A4 Frequency: 410-450Hz
Tuning Range: 0A(27.5Hz)-8C(4186.01Hz)
Tolerance: +/-1 cent
Package size: 9.2 * 15 * 2.5cm / 3.6 * 5.9 * 1.0in
Package weight: 44g / 1.55oz

Package List:
1 * Clip-on Tuner
1 * User Manual (English & Chinese)