YIXUAN Fast Accurate The advanced Micro Processor and highly sensitive Piezo Sensor will ensure your instrument is accurately tuned in a flash. This tuner can be used in a noisy environment Easy To Use CarryTurn it on, clip it on, and you're ready to tune. One-Handed 360 swivel clamp and the large LED Screen provide you a more clear view experience from any angle High QualityMade of environment-friendly ABS plastic, sturdy clamp with soft silicone rubber to protect your instrument Multi-Usage TunerMulti-function Digital Tuner can be used for 12 equal temperament, guitar, bass, violin, ukulele Highly Precise Tuner High Precise Detection and sensitive vibration Tuner clip,no background noise,good for Applicable to a variety of environments This tuner is a multi-function tuner with six tuning modes C mode: twelve equal temperament mode G mode: guitar mode B mode: bass mode V mode: violin mode U mode: Ukulele mode Silicone clip intimately protects the guitar, 360 tuning in all positions, stainless steel spring, high-definition screen intuitive and convenient Material: Electronic A4 reference audio law: 440Hz Power supply: CR2032*1 Accessories: manual *1, battery *1 Tuning items: 12 equal temperament (C), guitar (G), bass (B), violin (V), ukulele (U) Applicable scene: music instrument Colour: Black Dimensions: 43x46x30mm Product includes: 1x Tuner