A universal mechanical metronome suitable for most musical instruments, such as guitar, bass, piano, violin, and drums. The rhythm is accurate, and the sound is clear and loud, helping improve your sense of beat and rhythm, ideal for musical instrument beginners. Easy to use: wind up the mechanism, select your desired speed, and remove the cover to allow the pendulum to move. Slide the weight up or down on the pendulum to adjust the tempo according to the markings on the scale. Environmentally friendly mechanical design requires no batteries or external power source; powered by a manual wind-up mechanism. Features a classic pyramid design with a protective cover, durable construction, fine craftsmanship, and portable, safe design. Color: teak color Material: wood Package Contents: 1 x Mechanical Metronome Note: Other items not included. Note: Lighting and monitor settings may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.