A universal mechanical metronome suitable for most musical instruments, such as guitar, bass, piano, violin, and drums. The rhythm is accurate, with clear and loud sound to help improve your sense of beat and timing, ideal for beginners learning musical instruments. Easy to use: wind the mechanism, select the desired tempo, then remove the cover to allow the pendulum to move. Slide the weight up or down on the pendulum to adjust the speed according to the marked tempo scale. Powered by environmentally friendly mechanical energy—no batteries or external power source required. The winding mechanism generates the necessary power. Features a classic pyramid design with a protective cover, sturdy construction, fine craftsmanship, and is portable and safe to use. Color: teak color Material: wood Package Contents: 1 x Mechanical Metronome Note: Other items not included. Slight color variations may occur due to lighting and display differences. Measurement allowance is +/- 1-3 cm.