Features:
LCD white and green screen to indicate operational condition.
More accurate, high sensitive and wide tuning range.
360-degree rotation for flexible using.
Clip designed to attach to instrument.
Power-saving mode: smart sleep after 3 minutes with no play.
Hide behind the guitar neck, concealing it from audience.
For guitar, bass, ukulele, chromatic and violin.
Lightweight, mini-sized, compact and convenient to carry.

Specifications:
Material: Plastic
Colors: Black
Model: JT-306
Fit: For guitar, bass, ukulele, chromatic and violin
Tuning Range:A0(27.50Hz)--C8(4186Hz)
Calibration:410-450Hz(1Hz Steps)
Power: A 3V-CR2032 Lithium Battery (not included)
Item Size: 4.5 * 2.8 * 4cm / 1.8 * 1.1 * 1.6in
Item Weight: 17g /0.6oz
Package Size: 5 * 3.5 * 4.2cm / 2 * 1.4 * 1.7in
Package Weight: 30g / 1oz 

Package List:
1 * LCD Tuner
1 * User Manual (English & Chinese)