When it`s time to rise to the occasion. Renegade`s Man Up Pump is all you`ll need for added girth and increased endurance. Featuring a 9-inch industrial grade cylinder with a supple TPE donut base for comfort. the Man Up Pump is powered by a robust and silent motor. providing maximum suction with effortless ease!Measurements:-10 x 2.8 x 2.8 Note: Requires 2 AAA Batteries (Not Included)