Capo For Guitar Acoustic Guitar Tuner Quick Change Key Tuner Alloy Material for Electric Guitar Bass Chromatic Guitar Tuner Features: Made of alloy, strong and durable. Not only a professional capo but also a professional tuner. Tuner with high sensitivity,more accurate,precise,convenient and rapid. The tuner detects sound automatically, and shows the note name accordingly. Specifications: Material: Alloy Color: Coffee, Silver and Gold Tuning item: a.Tuning under spcial key: C(Chromatic) b.String instrument tuning: Guitar(G) Bass(B) Tuning range: A0(27.5Hz)---C8(4186Hz). A4 calibration: 430Hz---450Hz Tuning mode: clip Tuning Accuracy: 0.5cents Power Supply: 1 piece 3V CR2032 (not included) Item Size: 7.5 * 1 * 11cm / 2.9 * 0.4 * 4.3in Item Weight: 77g /2.7oz Package Size: 10 * 2 * 10cm / 3.9 * 0.8 * 3.9in Package Weight: 94g / 3.3oz Package List: 1 * Capo Tuner(Battery included)