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Chromatic Tuner Korg CA-30

With a chromatic tuner, you can accurately tune your harp or any other instrument. It is a great way to train your ear and become more proficient at tuning, since it tells you when the note is exactly in tune.
For the more economy minded, this compact tuner works great. The easy-to-read LED screen has a meter and shows the letter name of the note. It will also play pitches if you'd like to tune by ear. Its slim size is about 4" x 2-1/2" x 1/2" and weighs a mere 2 ounces. We particularly like the fact that this tuner will turn itself off after 20 minutes: a great battery saver! Uses 2 AAA batteries (included).