JINTOUniversal Transparent Mechanical Metronome for Guitar Piano and Violin 100% New, great looks as the photo shown, the item is 100% as the photo shown Dimensions: 10.5*11.5*20.7cm Material: Hard Plastic Outer With High Quality Metal Mechanism Specifications: 40-208 Bpm, Tolerance: &lt;= 1% colorredbluepurple