The VX9 Advanced Auto Penis Enhancement System brings engorgement and heightened sensitivity to your penis. It comes complete with an airtight cylinder measuring 9 Length x 2 Width, silicone tubing, an intuitive automatic power pump with a pressure release button. The cylinder is also detachable if you`re seeking to hold the suction while you play. Featuring our Nterchange system The VX9 Auto Penis Pump is compatible and interchangeable with other Nterchange Quick Release System compatible Performance and Temptasia pumping accessories to customize your experience and sharing of your Blush product with you partner. It`s easy to assemble, easy to use, and easy to clean. Enjoy peace of mind with responsibly made products by Blush, Makers of quality, thoughtful sexual wellness products since 2007.. Uses 3 AA batteries. Not included.Featuring Auto Pump. Intuitive Automatic Powered PumpingFeaturing The Nterchange System. Upgrade And Customize Your Performance Or Temptasia Pump Systems. All Perfomance And Temptasia Pumps And Accessories In Our Nterchange Systems are CompatibleDurable Acrylic Cylinder. Etched Measurements. Long Lasting Easy Release Silicone TubingProfessional Build. Precision Engineering. Maximum Suction. Responsibly Made By Blush. Makers Of Thoughtfully Designed Sexual Wellness Products Since 2007SIZE - 9.5 Inch Length x 2 Inch Width