AROMA Guitar Tuner Clip On for Chromatic Guitar Bass Violin Ukulele 3-Color Backlight LCD Display Portable Guitar Tuner with Foldable Rotating Clip Universal Guitar Accessories Features: 【Universal Tuner】: This AROMA tuner is suitable for a variety of instruments including guitar, violin, bass, ukulele, etc., meeting all your tuning needs. Whether you're a beginner or a professional, this tuner can satisfy your requirements. 【Wide Tuning Range】: From A0 (27.5Hz) to C8 (4186.00Hz), this tuner can accurately pick up both low and high pitches. It ensures your instrument sounds pure and accurate, enhancing your musical performance. 【High Accuracy】: By picking up vibrations, the accuracy of this tuner is as high as ±0.5 cent. This ensures your instrument is always in tune, allowing you to play your best music every time. 【Three-Color Backlight Display】: The tuner features a three-color backlight display. Red indicates the pitch is too low, green indicates the pitch is accurate, and orange indicates the pitch is too high. This makes tuning your instrument more convenient and efficient. 【Compact and Portable】: With its small size and lightweight design, this tuner is easy to carry around. You can tune your instrument anytime, anywhere. Simply clip the tuner onto your instrument, adjust to the correct note and pitch, and your instrument is tuned. Specifications: Pronunciation Project: 12 average pitch; Guitar; Violin; Bass; ukulele Calibration Range: A0 (27.5Hz) - C8 (4186.00Hz) Calibration Method: Clamp the calibrator onto the instrument and pick up the sound through vibration. Pickup Accuracy: ± 0.5 sound minutes Power Supply: CR2032 button battery (not included in this product) Product Size: 4.5 * 2.7 * 4.6cm/1.8 * 1.1 * 1.8inch Product Weight: 19g/0.7oz Note: Due to the different display screen and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Packing List: 1 x Tuner 1 x Instructions