Mechanical Metronome Discover precision in your practice sessions with our Mechanical Metronome. This wind-up device is designed to assist music enthusiasts who play guitar, piano, drums, guzheng, and more. Key Features: Versatile Beat Selection: Choose from beat types 0, 2, 3, 4, and 6. Adjustable Tempo: Control your practice tempo between 40-208 beats per minute. No Batteries Needed: Simply wind up by turning the knob clockwise for operation. Stable Performance: Features a metal movement for consistent and reliable performance. Protective Design: Includes a detachable cover to safeguard internal components. Decorative and Functional: With its transparent shell and metal structure, it serves as both a metronome and a home ornament. Perfect Gift: Ideal for musicians, making it a wonderful gift choice. Usage Notes: Ensure placement on a flat surface for optimal functionality. To reset the pendulum, slightly turn the winding key instead of forcing it. After use, secure the pendulum in its hook and attach the cover. Avoid use in humid or dusty environments. Clean with a soft dry cloth. Do not disassemble parts like the sliding weight or beat selector. Please note: Size and color may vary slightly due to manual measurement and lighting conditions. Specifications: Color Options: Transparent Blue, Transparent Red, Transparent Purple Material: Plastic + Metal Beat Options: 0, 2, 3, 4, 6 Tempo Range: 40-208 beats per minute Item Size: 207 * 120 * 103 mm / 8.15 * 4.72 * 4.06 in Item Weight: 480 g / 1.06 lbs Package Size: 23.4 * 13.5 * 12.5 cm / 9.21 * 5.31 * 4.92 in Package Weight: 594 g / 1.31 lbs Package Includes: 1 x Metronome 1 x User Manual (English)