Colossal cylinder standing at 10.5/46.75 cm for bigger and better results Sleek and durable automatic pump with superior suction at the push of a button 3 unique exercise modes designed to build your endurance, or use constant suction feature Ridged stroker sleeve is removable for independent use and is designed to fit most pump cylinders Ultra-thick chamber sleeve for magnified results Quick air release button Clear cylinder with incremental measurements Easy push-button control Complete instructions included USB rechargeable charging cord included Complete charge in 90 minutes Total run time: 12 hours Dimensions: Cylinder: 10.5 x 3 in. Sleeve: 7 x 4 in. Package: 4.25 x 5.5 x 17 in.