Commander Electric Penis Pump Clear from Nasstoys of New York. Features: high vacuum electric pump. 3 sleeve sizes for a snug fit. Extra large cylinder for maximum enlargement. Phthalates free, RoHS compliant materials silicone, AS, ABS plastic, PVC. Pump size length 11.5 inches, diameter 2.75 inches, circumference 8.75 inches. Three sleeve sizes internal diameter of opening: small 1.125 inches, medium 1.375 inches, large 1.5 inches. Cord length 51 inches. Rechargeable via USB, cable included. Rechargeable, no batteries necessary. Charging time up to 1 hour