Discover thick, throbbing erections that last and last with this professional-grade Deluxe 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 cycle between three speeds of suction as you watch your pleasure rod swell with power! When you've reached your desired size, simply push the quick-release button under the power button to instantly relieve the pressure. The soft TPR sleeve forms an air-tight seal against the skin, creating incredible suction and amazing results, while 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. 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. Tube Length: 6.75" (17 cm), Tube Width: 2.5" (6.35 cm).