Features: brand new and high quality The beat is accurate and the bell is clear. Zinc alloy polished electroplated pendulum. Transparent design, the internal structure is clear at a glance. Comprehensively enhance your rhythm and sense of speed, so that the performance of the music is completed smoothly and the rhythm is even. Traditional pyramid shape design with for protection cover, durable Plastic body and exquisite workmanship, portable and safe to transport. Suitable for piano, violin, guitar, guzheng, erhu, pipa and other musical instruments. Specifications: Material: Plastic Color: Blue/Pink/Yellow Package Weight: approx.650g Size: approx.11x10x20.3cm/4.33x3.94x7.99in Quantity: 1Pc Package Includes: 1Pc x Mechanical Metronome note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!