KORG Tuner for Continuous Attaches to Compatible with True Color Requires One AAA Lightweight and Compact AW-LT100V Clip-on Violin/Viola, 100-Hour

Long-lasting operation of 100 hours continuously with one AAA battery. The vivid color LCD ensures high visibility. Equipped with dedicated clips and modes for violin/viola. You can switch between two meter speeds: FAST and SLOW. Equipped with calibration, auto power off, and memory backup functions.