What's in the box:

eno ET-33U Portable Clip-On Tuner LCD Display for Guitar Chromatic Ukulele (Black)

Features:
Clip-on tuner for chromatic/ guitar/ ukulele.
Supports 3 types of ukulele tuning mode: C-Tuning, G-Tuning, Tenor.
Color-changing backlight LCD display: white & blue-- flat/sharp, green-- in tune.
360swivel clamp allows you to have the best viewing angle easily.
A good assistant for you to find the accurate tuning of your instrument.

Ukulele Tuning Modes:
--C-Tuning: Standard ukulele tuning, it is also called high-G-Tuning and is commonly used in soprano and concert ukulele.
--G-Tuning: also called English tuning, it is very popular in UK and is commonly used in soprano and concert ukulele.
--Tenor: usually called Low-G-Tuning.

Specifications:
Color: Black
Tuning Items: Chromatic/ Guitar/ Ukulele
Tuning Mode: auto
A4 Frequency: 440Hz
Tuning Range: A0(27.5Hz) - C8 (4186Hz)
Power Supply: 1 * CR2032 Battery (not included)
Item Weight: 24g / 0.8oz
Package Size: 7.5 * 5 * 3.5cm / 3 * 2 * 1.4in
Package Weight: 40g / 1.4oz

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

Package List:
1 * Tuner
1 * Users' Manual(English & Chinese)