Multi-functional 2-in-1 guitar & tuner for multiple string instruments. With a large LCD display which makes it very user friendly by changing color to let you know tuning information. Features: Multi-use 2-in-1 guitar tuner and . As a can be used for normal/ acoustic folk/ electric guitar. As a tuner supports Chromatic(C)/ Guitar(G)/ Bass(B) tuning. With large LCD display easy to read tuning information. Soft rubber pads at points between instrument and stand can scratching. Specifications: Material: Aluminum Alloy + + Rubber Color: Black Tuning Item: Chromatic(C)/ Guitar(G)/ Bass(B) Tuning : A0(27.5Hz)---C8(4186Hz) A4 Calibration: 430-450Hz Tuning Mode: Clip Tuning Accuracy: ±1ccent Half-note Tuning Item: ♭ ♭♭ ♭♭♭ Supply: 1 * CR2032 Battery (Not Included) Item Weight: 100g / 3.5oz Package Size: 12.5 * 10 * 2cm / 4.9 * 3.9 * 0.8in Package Weight: 110g / 3.9oz Note: battery is not included. guitar showed in picture is not included. Package List: 1 * 1 * User Manual(English & Chinese)