Up your game and heighten your sensations with the automatic Performance Smart Pump. Featuring memory intelligence. allowing you to set and save your favorite sensations. Measure your experience with a digital screen-- displaying time and kPa units of pressure. Your Smart Pump also features a crystal-clear sleeve with an etched ruler. allowing you to easily see your gains as they happen. Fully automatic. push button controls allow for one-handed play. Expect an airtight cylinder. automatic pressure. easy quick release button. and USB rechargeable. Instruction manual included.