Crescendo ZenTuner Clip On Tuner, for Acoustic, Electric Guitar, Bass, Violin, Ukulele, and Chromatic Mode for All Instruments, Fast & Accurate, Easy to Read Color Display, Professional and Beginner WHILE OTHER CLIP ON TUNERS are not accurate enough, or sensitive enough, or the mounts break, or the display is hard to read, or it simply quits working after a short period of time, the Crescendo ZenTuner sets a new standard with accuracy within 1 cent, a strong nearly unbreakable mount (see pics), a large bright color display, and superior built to last quality for a very reasonable price. This means you can be confident your instrument sounds its best at all times far into the future. NO MORE FRUSTRATION with cheap, inaccurate, or easy to break clip on tuners. Whether you are playing an important gig or just playing for pleasure, your tuner should simply provide the best tuning possible time after time and then get out of the way. The ZenTuner will bring you back into perfect tune while saving you time with its fast response letting you get back to business. OUR MISSION is to provide the best value possible for our musician customers with quality products, superior customer service, and industry leading 3 year warranty for your piece of mind. If you have a problem at any time with the ZenTuner, simply contact us and you will be amazed at the level of support you receive. We are on fire for our customers! MORE FEATURES for the musician nerds out there- Tunes by vibration sensor, allowing you to tune your instrument even in a noisy room. Automatic shut-off (saving battery), 360 degree rotation (flexibility), front or rear headstock position (preference), and sturdy clamp with soft silicone rubber to protect your investment. Multiple tuning keys and transposition for tuning your B-flat or E-flat horn or orchestra instrument. BATTERY INCLUDED. EVEN MORE FEATURES! - 5 AUTO MODES FOR guitar, bass, violin, ukulele, as well as a chromatic mode for use on any instrument including 12 string, nylon string, uke, classical, banjo, mandolin, fiddle, trumpet, clarinet, cello, viola, trombone, alto saxophone, tenor sax, baritone sax, soprano sax, flute, zither, woodwinds and brass, and more - nearly universal. If it clips on, it tunes!