Get the fast, noticeable results you’re carving for with this Luvpump automatic power pump . This sturdy enhancement tool is the perfect blend of premium craftsmanship and durablility , making it a must-have pump for men who love increasing their sensitivity and enlarging their penis, or achieve and maintain a strong erection. Electronic Pump with Quick Release Valve Cylinder Length ( insertable ): 9” Cylinder Inner Diameter: 2.25” Length of Silicone Hose: 10.2” TPR Sleeves