Feature:1. High Precision Tuning: This clip-on tuner is equipped with a high-precision tuning algorithm that ensures quick and accurate tuning. It's perfect for both guitars and bass guitars, providing a tuning range of 435-445Hz, which is suitable for a variety of instruments.2. Bright Color Display: The tuner features a bright color display with high-brightness LED dot matrix, allowing users to see the note name and accuracy clearly and quickly, even in bright or dark conditions.3. 180-Degree Rotating Gravity Sensing System: The 180-degree rotating gravity sensing system allows for easy recognition from a wide range of angles. This feature, combined with the simple and sturdy pivot design, efficiently transmits the vibrations from the instrument to the tuner for faster and more accurate responses.4. Energy-Saving Design: The tuner is designed with energy-saving features and a power-saving mode that greatly extends the battery life. It also has an automatic shutdown feature, making it more convenient and efficient to use.5. Compact and Portable: With its compact and exquisite design, this tuner is easy to carry around. The stainless steel clip, which has been tested for up to 100,000 uses, ensures the tuner's durability and longevity.Specification:Tune Range: 435Hz-445HzTraining Accuracy: ± 0.5 centPower Supply: 1 * CR2032 battery (not included)Size: 57 * 27 * 8mm/2.2 * 1.1 * 0.3inchWeight: 25g/0.9ozPackage List:1 * Tuner1 * Instructions