The AW-LT100 provide stunning battery life with approximately 100 hours of operation using a single AAA battery. The body's lightweight design features triangular shuttle switches that allow intuitive operation. The AW-LT100V is equipped with a dedicated clip that attaches firmly to the peg box of a violin or viola. The tuning meter is directly in your field of vision, and the tuner can be left attached without obstructing your performance in any way. In addition to the conventional chromatic mode, this tuner provides a violin mode and viola mode that let you tune with perfect fifths. In each mode, the string number is displayed beside the note name, ensuring a reliable and intuitive tuning experience. KORG's AW-LT100 line of clip-on tuners will get in you tune faster and keep you in tune longer than any other clip-on tuner!