Korg AW2WH High-visibility Clip-On Chromatic Tuner Clip-on chromatic tuner includes two different size mounting clips Double ball-joint mounting places display at an easy-to-see angle Backlit display with reversible metering assures high visibility in any condition Wide range (A0 - C8) chromatic metering is accurate to +/- 1 cent. Pure third indications (Major and Minor) for solid ensemble performances