This advanced, waterproof pump is crafted for ease and accuracy, featuring 4 adjustable speed and mode settings for personalized suction control that will drive you wild while you pump yourself up! What does this mean for you? Uninterrupted performance tailored to your specific needs. The LED pressure gauge stands out with its colorful, user-friendly design, ensuring that pressure levels are always within your sight. For added convenience, the detachable graduated cylinder is simple to maintain and provides exact measurements to track your progress as it happens. Combined with a premium silicone sleeve that offers both a secure seal and maximum comfort, and a durable transparent build, youre guaranteed an extraordinary experience designed to give you pleasure and satisfaction! Whether enjoying your solo pumping sessions or gearing up for the big event, you can rely on your pump to deliver! Automatic Suction: Enjoy 4 speeds and modes of continuous, automatic suction! LED Pressure Gauge: Bright, colored lights indicate the intensity of pressure. Graduated Cylinder: Know exactly how much bigger youre getting! Read the lines on the cylinder to track your progress. Its also detachable for easy cleanup after use. Quality Materials: Premium, body-safe, silicone sleeve wraps around your shaft to create an air-tight, comfortable seal. Strong, transparent plastic makes up the body of the cylinder. Rechargeable and Waterproof: Rated IPX6 waterproof, it can be taken in showers but not submerged underwater. Recharge as needed. Measurements: Cylinder: 12.1 inches total length, 8.7 inches inner length, 2.4 inches inner diameter, 3.1 inches outer diameter Silicone sleeve: 1.2 inches opening diameter (unstretched)