The tuner is great for beginners and professionals. It is fast， accurate， automatic and easy to operate. You would never play out of tune anymore with this tuner. 

Features: 
Helps you to find the accurate tuning of your instrument.
Supplied with a LCD screen to see the string No. and the note name. 
Clip-on and 360°swivel rotation design， easy and convenient to use. 
The automatic shut-off function when no operation for about 3 minutes ensures that your battery works longer. 
Multi-instrument guitar tuner， great for electric， acoustic bass， guitars， violin， ukulele. 

Specifications: 
Tuning Mode: Auto 
Tuning Items: Chromatic， Guitar， Bass， Violin， Ukulele 
A4 frequency: 440HZ 
Tuning Range: A0(27.5Hz) - C8 (4186.0Hz) 
Power Supply: 1 * CR2032 cell button (not included) 
Item Size: 4.8 * 4.0 * 3.1cm / 1.9 * 1.6 * 1.2in 
Item Weight: 26g/0.9oz 
Package Size: 9.2 * 4.7 * 4cm / 3.6 * 1.9 * 1.6in 
Package Weight: 33g / 1.2oz 

Package List:  
1 * Mini Tuner 
1 * User's Manual(Chinese !#!amp!*! English) 

Note: 
Battery is not included.