Totally self-contained power stroker with removable suction cup base. This vibrating pleasure stroker with deep throat action features 30 incredible functions of vibration, pulsation and escalation. Sleeve is ergonomically shaped for absolute form and function with easy push button control. Optional multi-position hands-free suction cup swivel mount included. Materials: TPR (sleeve) ABS (button) ABS with PU Cote (case). Batteries: 4 AA. Dimensions: 3.5" x 2.25"/9 cm x 5.75 cm (chamber) 8.5" x 3"/21.5 cm x 7.5 cm (overall)