Super fast and accurate tuning with a cents indicator High-definition four colour VA screen Dual rotatable clip attachment to allow for optimal viewing whilst playing 5 hours of continuous use Tuning Modes: Chromatic (C), Guitar (G), Bass (B), Ukulele (U), Violin (V) Tuning Range: A0 (27.5Hz) - C8 (4186.00Hz) Pitch Range: 430Hz - 450Hz Tuning Accuracy: +- 0.5 CENT Power Supply: Rechargeable Battery 3.7V/110mAH