KORG CA-30 CHROMATIC TUNER

The Korg CA-30 Chromatic Tuner gives you a high-precision LCD needle-type meter. Wide range of pitch detection covers C1-C8. Calibration function lets you specify concert pitch. Built-in high-sensitivity mic. Produces reference tone on internal speaker and has marks for pure major thirds and minor thirds. . Auto power off. Low draw gets up to 100 hours of battery life in continuous use.