Highly portable, the folding design Pitch jack is a versatile guitar and bass tuner. With Pitch jack, you can tune seven string guitars and six string basses. Flat tunings allow you to drop down up to seven semitones below original pitch. A single CR2032 provides up to 35 hours of continuous tuner use. The unique design allows you to keep your Pitch jack close at hand - in your pocket, on a keychain, or even on your gig-bag"s zipper pull. The LED flashlight is great for checking your amp and effect settings on a dark stage. Available in Red, White and Black