The soft, supple Sensuous Rotator is made with the revolutionary Crystalessence material. The probe is 4.750in long with diameters ranging from 1in up to 1.375in. There are 5 different levels of rotation speed for the 3 pleasures beads. The battery pack requires 2 AA size batteries, not included. Finally, the pliable and sturdy suction cup really works well!