An automated string tuner, that is quick, easy to use, & three times more accurate than the human ear. Roadie 2 adds new dimensions to music-making by allowing you to freely experiment and save alternate custom tunings. Fine-tune your guitar or completely change tuning in seconds. Roadie 2 provides unparalleled accuracy. Get perfect & crisp tuning. Every time. Detection accuracy: Less than +1 cent. Tuning accuracy: Up to +2 cents. The reference A 440 Hz setting is customizable in 0.1 Hz increments from 420 Hz to 460 Hz. Get the same quality and accuracy in tuning in all environments with Roadie 2's vibration sensor (instead of a microphone). Tune all sorts of string instruments including electric, acoustic, classical, and steel guitars, 7 and 12-string guitars, ukuleles, mandolins, banjos, etc. as well as bass guitars with the bass version. Restring quickly and easily with the automatic winding feature. The motor rotates at 60 RPM. Choose from 40 preset alternate and open tunings or create your own custom tunings. Roadie 2 is completely standalone. Tune your instrument from wherever you are with your handy Roadie. Colour: Black.