Guitar Tuner Clip-on Tuner for Guitar, Ukulele, Bass, Violin, Chromatic Tuning, Colorful LCD Display, 3 PCS Guitar Picks Included,1 pack

Tuning Scale: Chromatic, Guitar, Bass, Violin, Ukulele Tuning Way: Clip Tuning Range: A0(27.5Hz)-C8(4186Hz) Precision: ±1 cent Response Time: <20 ms Power: 3V(CR2032 Lithium battery) Dimensions: 69mm x 48mm x 24mm Weight: 20g Press the power button and hold on to turn on(off)the tuner. Press the power button continuously to select turning item out of Chromatic, Guitar, Bass, Ukulele and Violin. Clip on strongest vibrating part of your instrument. When it is in tune, the backlit turns GREEN. When it is Sharp or Flat, the blacklit turns WHITE. The unit will shut off automatically if there is no signal within 5 minutes. The unit will self-motion memory last time your setting, if reinstall the battery, the unit automatic return to initial setting.