This is a highly accurate mechanical metronome with spring driven mechanism and its pendulum can deliver 40 to 208 beats per minute. Compact size makes it portable and easy to be taken along.With the characteristic of loud mechanical sound and visual rhythm indicator, the metronome would help you a lot to develop rhythm, maintain tempo, play accurately and increase your musical feeling. And elegant retangle shape makes it a great charming classic decor accessories for your instrument.Made of high-quality ABS and metal, it is sturdy enough for your long-term use.The length of the product is 3.1cm, the width is 5.1cm and the height is 11cm.It is suitable for piano, guitar, violin,drums and other instruments.Item Name: MetronomeMaterial: Metal,ABSColor: White, Wine Red, Log ColorFeatures: Accurate, Mechanical, GracefulSize Details: 11cm x 5.1cm x 3.1cm/4.33" x 2.01" x 1.22" (Approx.)Notes:Due to the light and screen setting difference, the item"s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x MetronomeAbout Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact usDuring the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shoppingThanks for your cooperation and we& 39;ll make you feel satisfied."