For Ukulele, Guitar, Mandolin, and Bass, Works with Most Stringed Instruments, Accurate within ±1 cent, Backlit LCD Display, Range: A0 to C8, CR2032 Battery Included. The tie-dye Klipz – Clip-On Tuner from Kala attaches to your guitar ukulele mandolin bass violin or other stringed instrument to provide precise tuning within ±1 cent. The hands-free tuner receives its signal via vibration from the clip and offers a variety of settings including chromatic guitar bass violin and ukulele.