Fender Yngwie Malmsteen Signature Series FCT15C Clip-On Tuner for Electric Guitar, Acoustic Guitar, Bass Guitar, Mandolin, Banjo, and Violin Stylish chrome bezel with built-in vibration sensor Perfect for electric guitar, bass guitar, acoustic guitar, and any other stringed instrument Tuning range from A0-C8 gives this tuner extrodinary range for any tuning situation A4 range of 430Hz-450Hz allows for flexible tuning options outside the standard 440Hz Easy to use operation