Feature: 1. Digital Tuner is more accurate, very sensitive and wide range. 2. Can rotates 360 degrees for easy view. 3. It clip this unit on a flat surface or instruments. 4. Powered by one CR2032 button battery (NOT INCLUDE). 5. Tuning for Chromatic, Guitar, Bass, Violin, Ukulele C and Ukulele D. 6. Walmeck Guitar tuner, lcd screen, more stylish and convenient to check the tune. 7. Digital Tuner is more sensitive and quick response. 8. Have wide angel rotates 360 degrees for convenient view. 9. Ultra mini size, more easy to be carry with and high performances in any conditions 10. Stylish colorful design, will be a great decorate for your guitar. Specification: Features: Digital Tuner is more accurate, very sensitive and wide range. Can rotates 360 degrees for easy view. It clip this unit on a flat surface or instruments. Powered by one CR2032 button battery (NOT INCLUDE). Tuning for Chromatic, Guitar, Bass, Violin, Ukulele C and Ukulele D. Specifications: Color: Black Mode: JT-01 A4 Frequency: 440Hz Tuning Range: 0A(27.5Hz)-8C(4186.01Hz) Tolerance: +/-1 cent Package size: 4 * 3.5 * 5.3cm / 1.6 * 1.4 * 2.1in Package weight: 30g / 1.03oz Package List: 1 * Clip-on Tuner 1 * User Manual (English & Chinese) Package List: 1 * Clip-on Tuner 1 * User Manual (English & Chinese)