Weltmeister Achat 34/80/III/5/3 Red , Piano Accordion, 80 Basses, 34 Treble keys, 3 Treble courses, 4 Courses in the bass, Range: G to E, 5 Treble register, 3 Bass register, Cylinder-guided treble keyboard, Keyboard with 20 mm key width, Dimensions (W x D): 41.2 x 19.2 cm, Weight: 8.1 kg, Colour: Red, Incl. case and Weltmeister 34/37 standard straps