Automatic clip-on tuner for guitar and bass guitar with built-in vibration sensor for accurate tuning even in noisy environments. Tuner offers tuning range A0 (27.5 Hz) ~C8 (4186 Hz), tuning precision ± 1 cent and A4 calibration 430-450 Hz. Large backlit LCD display can be easily rotated in different directions and angles so it can be aimed wherever you wish. Operates with one 3 V (CR2032) lithium battery. Dimensions: 53 x 12 x 59 mm, weight: 26 g, black colour.