Specifications: Clip on tuner use for guitar, bass, violin, ukulele with LCD display. With clip, easy to install and operate. Item Name: Metronome Quantity: 1 Pc Power Supply: 2 x AAA Batteries (Included) Features: Durable, Easy to Use, Portable, Tuning Tool Size: 10.5cm x 6.3cm x 1.9cm/4.1" x 2.48" x 0.74" (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 Includes: 1 x Metronome 1 x User Manual