Discover thick, throbbing erections that last and last with this professional grade Mega Vac Power Pump. Developed as a safe, affordable, non-surgical alternative to expensive medical procedures and pills, this 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 automatic pump do all the work for you! With the flick of a switch, 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. A handy magnifying strip is on the front of the tube, giving you a clear readout and a closer look at your new size. When you have reached your desired size, simply push the quick release button above the power switch 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 cumming, help maintain your erection and extend the fun. When you are done, restore your pump to like new quality with Pipedream Toy Cleaner and warm water. Pump requires 2 AA batteries, not included.