The small format FT-004 Fender Clip-On Tuner is easy to operate even under darkened stage conditions. Built-in vibration sensor for accurate tuning even in noisy areas. The large LCD display with easy-to-read needle shows white when out of tune and bright green when in tune. Small, compact size one-handed swivel clamp. Tuning modes include: Guitar, Bass, Ukulele, Violin and Chromatic. Tuning range B0 – B7. A4 Calibration: 440Hz. Lightweight: 30 grams.