Pipedream Pump Worx Auto-VAC Power Pump. Discover thick, throbbing erections that last and last with this professional-grade Auto-VAC Power Pump. Developed as a safe, affordable, non-surgical alternative to expensive medical procedures and pills, this hands-free, auto-powered penis pump is the easy way to instantly enlarge your penis without any negative side-effects. Just sit back, relax, and let the battery-powered pump do all the work for you! With the push of a button, the powerful motor creates a super-strong vacuum inside the chamber, forcing your erection to quickly expand its length and girth. Simply insert your penis into the tube, press the power button, and watch your pleasure rod swell with power! The soft TPR sleeve forms an air-tight seal against the skin, creating incredible suction and amazing results. The clear vacuum cylinder allows you to see your cock get bigger and fatter by the second! The tube is made from thick, heavy grade acrylic and marked with metric graduations to measure your growth. When you've reached your desired size, simply push the quick-release button under the power button to instantly relieve the pressure. To prolong ejaculation, slide the included enhancement ring over your shaft until it's nice and snug. The tight squeeze will prolong ejaculation, help maintain your erection and extend the fun. When you're done, unscrew the pump cylinder from the pump motor, then clean the tube with Pipedream Toy Cleaner and warm water to restore it to like-new quality. Length 11.02 inches, Width 2.6 inches, Height2.6 inches. Inner Diameter2.41 inches, Outer Diameter 2.6 inches. Insertable Length 7.48 inches. Package Dimensions Depth 3.25 inches (8 cm) Package Width 3.5 inches (9 cm) Package Height 14.75 inches (37 cm).Packaged Weight 15.10 ounces (428 grams). Package typeBox. Features and functions Lube Included, Toy Cleaner Included, Multispeed, Sucks and Pumps, Vibrates. Battery Information Requires 3 AAA Batteries, Not Included. Materials ABS Plastic, Thermoplastic Rubber TPR. Country of Origin:China. Pipedream Products Catalogs featured in 2011 Pump Worx, page 5 and 2012 Pump Worx, page 3.