KORG Guitar Tuner with Battery Cent Color Strobe Requires One AAA Lightweight and Compact AW-LT100G Clip-on 100-Hour Life, ±0.1 Accuracy, Display,

Long-lasting operation of 100 hours continuously with one AAA battery Vivid color LCD ensures high visibility Supports ultra-high precision tuning of ±0.1 cents A dedicated guitar instrument with increased meter speed Equipped with calibration, auto power off, and memory backup functions