Features: The Guitar Capo Tuner combines precise chromatic tuning and secure fret clamping functionality, featuring a large LCD screen for clear visibility and multiple calibration modes (Guitar, Bass, 12 TET) to accommodate acoustic, electric, and ukulele instruments. Crafted with alloy clamping jaw and ABS housing, this guitar accessory integrates a professional grade tuner powered by a long lasting CR2032 battery (240mAh) while maintaining a portable design for on the go musicians. Ideal for both novice player and seasoned guitarists seeking performances, it simplifies tuning workflows for ukulele enthusiasts, classical guitar performers, and bassists during practice or stage setups. Optimize your instrument's sound in diverse environment – from home studios to outdoor gigs – with its anti slip grip and flat semitone tuning capability for perfect intonation across musical genres. The included bilingual user manual ensures quick mastery of its advanced features like reference frequency customization (430 450Hz) and chromatic calibration, making it an essential tool for maintaining tone quality in any playing scenario. Specifications: Material: Alloy Color: Black/Blue/Colorful Size: Approx. 3.07x3.94x0.57inch(7.8x10x1.45cm) Package Includes: 1x Guitar Capo note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.