The Optimum Series Advanced Fireman’s Pump is the pump for the man who wants that real fire hose between his legs. Pump up your manhood to its optimum size for increased performance, better erections, and maximum pleasure. This easy-to-use, fully automatic design will have you on your way to the gains you crave in no time. Pumping works using a vacuum that creates an airtight seal around your penis. It uses pressure and increased blood flow to improve your size over time. The easy-to-operate design makes pumping your way to a better erection a breeze. Press the suction button to activate the pressure. Another click will turn it off, or use the pressure release button to create a sucking sensation that will send you into orgasmic ecstasy. The clear red cylinder and universal measurements allow you to view your progress as you train your rod to be the best it can be. The upper controller is fully detachable so you can clean your pump. The soft, tapered silicone sleeve creates the ultimate airtight seal while keeping your cock comfortable and wonderfully stimulated. Enjoy better erections and maximum pleasure while you grow to the size you’ve always wanted! Reach your maximum potential and impress your lover, or use solo for the ultimate in gratification. Instant on or instant off - pleasure is yours only when you need it. This product is simple to use and easy to operate. As simple to dissemble as it is easy to use, you'll find cleaning a snap.