What's in the box:

AROMA AT-101 Portable Mini Clip-on Digital Tuner with Foldable Rotating Clip High Sensitivity for Chromatic Guitar Bass Violin Ukulele

Features:
Professional instrument tuner---AROMA AT-101 mini clip-on digital tuner.
Widely used, suitable for tuning chromatic, guitar, bass, violin and ukulele.
Double color backlit LCD screen. The product's shell is made from prettyfood-grade PC material.
In-tune: indicator is on the middle, showing Green; Low: indicator is on the left, showing Blue; High: indicator is on the right, showing Blue.
Portable digital clip-on style, easy to clip onto any stringed instrument as mentioned above.
Its clip part can be rotated 180 degree easily for positioning proper view angle of the LCD screen.
Super anti-interference. Sensitive and stable.
Turner picks up the sound by vibration.

Specifications:
Brand: AROMA
Model: AT-101
Tuning Items: Chromatic(C), Guitar(G), Bass(B), Violin(V), Ukulele(U)
Pitch Range: 440Hz
Detection Range: A0(27.5Hz)-C8(4186Hz)
Tuning Way: Clip (tune by vibration)
Detection Accuracy: 0.5cent
Powered By: 1 * CR2332 Lithium coin battery (not included)
Item Weight: 18g / 0.6oz
Package Size: 5.5 * 4.5 * 3.3cm / 2.2 * 1.8 * 1.3in
Package Weight: 27g / 0.9oz

Package List:
1 * AROMA AT-101 Clip-on Tuner
1 * User Manual (English)

Note:
Battery is not included.