What's in the box:

Digital Tuner Clip-On Design LCD Display Vibration Tuning Tuners for Guitar/ Bass/ Violin/ Ukulele/ Banjo/ Chromatic/ F Key/ B Flat Key/ E Flat Key (Standard)

Features:
Multifunctional digital tuner, fit for Guitar/ Bass/ Violin&Mandolin/ Ukulele/ Banjo/ Chromatic/ F Key/ B Flat Key/ E Flat Key.
Tuning through vibration, clip it on the strongest vibrating part of your instrument to find the accurate tone.
The LCD display shows the pitch name and tuning accuracy (left-flat, right-sharp, middle-in tune).
Clip-on and 360swivel rotation design, flexible and convenient to use.
Auto shut down to save power after 3 minutes without operation or no detecting signal; auto memorize the last parameter setting, auto restore default setting after change the battery.

Specifications:
Color: Black
Tuning Instrument: Guitar/ Bass/ Violin&Mandolin/ Ukulele/ Banjo
Tuning Key: Chromatic/ F Key/ B Flat Key/ E Flat Key
Tuning Mode: Clip on Pick Up
Tuning Range: A0(27.5Hz) - C8 (4186Hz)
Precision: 1cent
Calibration: A4=440Hz
Power Supply: 1*CR2032 Battery (not included)
Item Weight: 20g / 0.71oz
Package Size: 8 * 4 * 3.2cm / 3.15 * 1.57 * 1.26in
Package Weight: 26g / 0.92oz

Note:
The instrument showed in the picture is not included.
The battery is not included.

Package List:
1 * Tuner
1 * User Manual(English)