LCD Tuner, Clip-On Digital LCD Digital Tuner, for Home Guitar Specification: Features: Tuner with high sensitivity, more accurate, precise, convenient and rapid. Adopt LCD display, show data clearly on the display, convenient for you to use. Tuning item: Chromatic(C), Guitar(G), Bass(B), Ukulele(U),Violin(V), Banjo(Bj), suit your different needs. The rubber effectively protects the neck from scratching. If the tone is right, the green light will turn on, easy to use. Specifications: Condition: 100% Material: Metal+Plastic Weight: Approx. 28g / 1.0oz Size: Approx. 4.5 x 2.8cm / 1.8 x 1.1in Tuning Instruments: Chromatic(C), Guitar(G), Bass(B), Ukulele(U),Violin(V), Banjo(Bj) Flat: b, bb, bbb Tuning Range: A0(27.5Hz)--C8(4186Hz) Tuning Mode: Automatically Clip Tuning Accuracy: within 1 Cent A4 Calibration: 430Hz--450Hz Power Supply: 3V(1 x CR2032 Battery) (Not Included) Package list: 1 x Tuner 1 x User Manual Battery is not included.