YAMAHA Chromatic Tuner ・Beautiful item with little signs of use. ・Model number: TD-18BK ・Features an easy-to-read LCD needle-type meter. ・Wide measurement range from A0 to C8, allowing tuning of various instruments from high to low notes. ・Includes guide marks for pure major and minor thirds to create beautiful harmonies. ・Supports various concert pitches with a calibration function. ・Equipped with an auto power-off function.