This is a guitar tuner with sturdiness and durability, and . Reasonable design, fine workmanship, professional and practical, can provide convenience for your daily guitar adjustment, allowing you to tune the guitar yourself. Features -Color: Black -Material: ABS -Size: 4.60X4.30X3.00cm/1.81X1.69X1.18in -Made of durable materials. The electronic display lamp is bright, the pattern is clear, intuitive and convenient. -You can a variety of tuning modes. Flexible adjustment of multiple angles. -Non-slip clip design, easy to use, small and portable, can be clipped to the instrument. -Our tuner is easy to operate and very responsive. With a large screen, so that your tuning more intuitive and clear. -The tuner has excellent material, appearance, portable design, and can be used with confidence. Package list: 1 x Tuner 1 x 1 x instruction book