Features: 1.High Accuracy Tuning: This clip on tuner provides an accurate sound signal through a high accuracy transducer to ensure accurate pitch when playing your instrument. 2.Colored Display: This clip on tuner is equipped with a color LCD screen that clearly displays pitch and indication, and can be easily operated in any lighting condition. 3.Multifunctional: This clip on tuner is equipped with guitar, bass, violin, ukulele and other instrument tuning functions to meet the tuning needs of different instruments. 4.Clip On Design: This tuner features a clip on design that easily clips on to your instrument for ease of use in a variety of situations. 5.Excellent ABS Material: This clip on tuner is made of excellent ABS material, which is sturdy and durable with a long service life. specification:Item Type: Clip On Tuner Material: ABS Size: Approx. 6 x 4 x 4cm/2.4 x 1.6 x 1.6in Battery Type: Button Battery Battery Mode: CR2032 Battery 75mah x 1 ( Shipped With Matching Battery ) PackageList: 1 x Tuner 1 x Button Battery 1 x Manual