Feature: 1. Broad Tuning Range: This electronic tuner boasts a comprehensive tuning capability spanning from A0 (27.5Hz) to C8 (4186Hz), rendering it compatible with guitars, violins, ukuleles, basses, and other string-based instruments. 2. Quick and Accurate Tuning: This tuner, known for its high precision and reliability, can quickly sense the vibration frequencies of different instruments. It responds rapidly, allowing for fast and precise tuning within seconds. 3. Intuitive LCD Display: Comes with a 360-degree rotatable, clear LCD screen that provides an easy-to-read display. It enables you to precisely monitor the tuning status of your instrument to achieve the correct note. 4. Delicate Pad Clamp: The tuner's clip is equipped with a delicate, soft pad that firmly grips your instrument without harming its surface, ensuring stable and precise tuning measurements. 5. ABS Construction: Made from anti-slip and wear-resistant ABS material, this highly sensitive tuner can endure frequent use and is resistant to accidental drops or rough handling damage. Specification: Item Type: TunerMaterial: ABS + Metal + ElectronicsTuning Range: A0 (27.5Hz) - C8 (4186Hz)Tuning Accuracy: ±0.5 cent2-color Backlight: green-in tune, white-out of tuneTuning Items: Acoustic Guitar; Electric Guitar, Classical Guitar, Ukulele, Violin, Bass, Equal Temperament, etc.Product Size: Approx. 4.7*4*3.2cm/1.85*1.57*1.26inProduct Weight: Approx. 20g/0.70oz Package List: 1 * Tuner1 * Button Cell1 * Charging Cable1 * User Manual