Universal Portable Folk Acoustic Guitar Tuner Violino Ukulele Strumento Basso Tuner Guitar Beginner Digital Electric Tuner Tool Specifications: Accurately calibrate your guitar, ukulele and other musical instruments. Suitable for beginner guitar and professionals. Easy to use, small size, lightweight, easy to carry. Type: Guitar Tuner Material: ABS Battery: Button Battery (Included) Features: Easy to Use, Portable, Accurate Size: 45mm x 28mm x 38mm/1.77" x 1.10" x 1.50" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Included: 1 x Guitar Tuner 1 x User Manual