Apollo Rechargeable Power Pump - the right one handed power pump! per the American Pumpers Association. Totally all-in-one, wireless design. USB rechargeable training system. Hi-tech, fully automatic pump with simple to use pressure control. Auto start stop button with quick air release valve. Readable Brought display measures PSI vacuum inside cylinder. Universal measurements on cylinder to trace results. Flanged base for secure sealPersonalize your tightness with 3 body safe donuts incorporated: .75 inch, 1 ", 1.25 inches. USB rechargeable. Charging cord incorporated. Complete charge in forty-five minutes two hours run time. Safe and pure for body and pleasure made using PC cylinder, Abs plastic, fiberglass with memory PU Cote controller, Thermoplastic Rubber TPR sleeves, Abs plastic, fiberglass with silver plating decor. Bulk weight 15.7 ounces. 7.75 inches by 2.25 inches