Optimum Series Rechargeable Advanced Automatic Smart Pump

FEATURES: b " Sleek and durable automatic pump with superior suction at the push of a button b " Fully customizable exercise modes - set your desired pressure and duration for up to a 20 minute workout or set to manual pumping b " Easy to read LCD screen that includes battery life indicator, pressure, mode and workout time b " Ridged stroker sleeve is removable for independent use and is designed to fit most pump cylinders b " Ultra-thick chamber sleeve for magnified results b " Low profile donut sleeve for increased performance b " Quick air release button b " Clear cylinder with incremental measurements b " Easy push-button control b " Complete instructions included b " USB rechargeable b charging cord included b " Complete charge in 2 hours b " Total run time: 12 hours Dimensions: Cylinder: 8 x 2.5 in. Sleeve: 5.25 x 3 in.