Features: Accurate measurement and generation of stable beat signals help musicians maintain accurate rhythm. Suitable for various instruments such as piano, guitar, guzheng, violin, etc., to meet the needs of different instrument performers. The compact and lightweight design makes it easy to carry and use, allowing for rhythm training anytimes, anywhere. Equipped with LCD display screen, it intuitively displays the current beat speed and beat type, making it easy to set and adjust. Support free adjustment of beat speed and beat type to meet different music styles and personal needs. Specifications: Material: Plastic Color: Black/White/Yellow/Clear Blue Size: As shown in the picture Package Includes: 1x Electronic Metronome note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.