The D'Addario Eclipse Tuner in Black features quick, accurate tuning - Full color display - Tuner calibration from 435 - 450Hz. - CR2032 battery included.

The D'Addario Eclipse Tuner in Red features quick, accurate tuning - Full color display - Tuner calibration from 435 - 450Hz. - CR2032 battery included.

The D'Addario Eclipse Tuner in Blue features quick, accurate tuning - Full color display - Tuner calibration from 435 - 450Hz. - CR2032 battery included.

The D'Addario Eclipse Tuner in Green features quick, accurate tuning - Full color display - Tuner calibration from 435 - 450Hz. - CR2032 battery included.