Features:

Brand new and unused 
White and green backlight, easy to read.
Tuning items: Chromatic, guitar, bass, violin, ukulele. 
Comes with a chromatic setting giving it a vast tuning range.
The clip has been designed to allow the tuner to turn by 360 degrees.
Auto shut down after 3 minutes when not in use, for saving power.

Specifications:

Model: ENO ET-33
Color: Black 
A4 frequency: 440HZ 
Tuning range: A0(27.5HZ)-A6(1760HZ) 
Item size: 3.5 * 4.8 * 5.4cm 
Item weight: 22g 
Package size: 5 * 3.5 * 7cm 
Package weight: 37g 
Power: CR2032 3V button battery(not included) 
SKU: GT0908-178

Package List: 
1 * Tuner 
1 * User Manual