This tuner is perfect for all types of guitars, including acoustic, electric, classical, and more. It has a great silver color and is easy to use. The Korg tuner is highly-rated and is sure to help you tune your instrument perfectly. Get this tuner today and start playing with confidence. This one of Korgs top of the line tuners. I put fresh batteries in it and turned it on. Changed a few notes as pictured. No further testing done but appears to be in working condition. Cosmetically it’s near mint.