Fishman F20 chromatic clip on tuner with color display. This Color Chromatic Tuner provides quick and accurate tuning made possible by a premium-quality, easy to-read color display. No fumbling for a power switch or accidentally setting unwanted modes. Simply clip it on, flip up the display and you are ready to tune just about any instrument. Flip it back down after you’re done tuning and it automatically shuts off. Its amazing, high-contrast, color display displays pitch with ±1 cent accuracy. Also incredibly lightweight - weighing only 21 grams - so it will not affect your instrument’s tone. It’s also very low-profile, so you can leave it place while you are playing. The custom, soft clip material has been thoroughly tested to be safe on most finishes.