Achieve precise tuning with the Donner DT-10 Magnetic Digital Guitar Tuner, designed for acoustic/electric guitars, ukuleles, basses, violins, and banjos. Its innovative magnetic adsorption design allows the tuner to securely attach to any metal part of your instrument, ensuring stability even during vigorous live performances. The included metal patch conveniently stores the tuner on the guitar when not in use. This tuner features two versatile tuning methods: magnetic separation design and classic clip-on design with a 360-degree swivel mechanism, providing optimal viewing angles for tuning. Its detachable body enhances sensitivity by allowing the selection of resonant positions on the instrument, maximizing pickup accuracy across its wide tuning range from A0 to C8. It supports various tuning modes including 12-TET, guitar, bass, violin, ukulele, and banjo, catering to different musical needs. The Donner DT-10 is equipped with a color LCD screen that displays tuning accuracy with rich colors, ensuring easy readability even in dimly lit environments. Its user-friendly design includes a simple button design and a silicone-wrapped inner ring for added stability and guitar body protection. For enhanced battery life, the tuner features an automatic shutdown function that activates after 3 minutes of inactivity. This feature helps conserve battery power, reducing the need for frequent replacements.