Fender FCT-12 Chromatic Color Clip-On Tuner is compact and easy to operate even under darkened stage conditions. It 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)