Fender Clip-On Tuner FCT-12 for Guitar, Ukulele, Bass, Violin, Mandonlin, and Banjo Compact and easy to operate even under darkened stage conditions Tunes instruments using a built-in vibration sensor for accurate and precise tuning even in noisy areas The bright and colorful LCD screen with easy-to-read sweep needle display rotates 360 degrees for easy viewing Tuning modes include: Guitar, Bass, Ukulele, Violin and Chromatic Tuning range A0 -C8. A4 Range 430Hz-450Hz. Weight: 50 grams. Power: CR2032 battery (included)