The Rechargeable Stamina Pump is a high-tech, fully automatic pump with easy-to-use pressure control. Totally self-contained wireless design with a flanged base for secure seal. Features 4 ascending levels of suction power - increase or decrease at the push of a button. Quick air release valve releases pressure while maintaining suction. Made from Polycarbonate (cylinder) ABS (buttons) ABS with PU Cote (controller) TPR (sleeve) ABS with Metallic Plating (decor). 8.25" X 2.5".