Tianya Full transparent Mechanical Piano violin guitar Metronome 100% New, great looks as the photo shown, the item is 100% as the photo shown. Dimensions: 4.9" x 4.9"x 8.6" / 125 * 125 * 225(mm); Material: Hard Plastic Outer With High Quality Metal Mechanism; Specifications: 40-208 Bpm, Tolerance: &lt;= 1%; [Package Included]: 1 x Metronome; 1 x Paper Box; 1 x Paper Instructions;