Features: 1.Accurate Tuning: The clip on tuner provides precise tuning for guitars, bass, violins, and ukuleles, ensuring your instrument always sounds in tune. 2.Easy to Use: The LCD screen of the tuner is clear and easy to read, allowing you to tune your instrument quickly and accurately. 3.Wide Tuning Range: With a tuning range of A0?C8, this tuner can handle any standard tuning you need for your instrument. 4.Versatile Tuning Items: The tuner supports equal temperament as well as specific tuning items for guitar, bass, violin, and C tuned and D tuned ukulele. 5.Long Battery Life: The tuner is powered by a 3V CR2032 button battery, which provides a long lasting and reliable power source for your tuning needs. specification:Item Type: Clip On Tuner Product Material: ABS Tuning Items: Twelve Equal Temperament, Guitar, Bass, Violin, C Key Ukulele, D Key Ukulele Tuning Range: A0 (27.5Hz) to C8 (4186Hz) A4 Range: 430?450Hz Battery Type: 1 x 3V CR2032 Button Battery (Shipped Without Battery) Color: White PackageList:1 xClipOnTuner 1 x Instruction Manual