• No squeezing, no pumping, just press the button for automatic suction • Compact, quiet, automatic pump controller is designed for one-hand operation and superior suction • Clear cylinder with flanged base and measurements • Flexible, non-crimping, detachable hose • High quality tapered sleeve for comfort and secure seal • Automatic release button • EZ activation power switch • Silicone (sleeve) ABS (cylinder and controller) PVC (hose) • 2AA batteries • 7.75"x 2.25"/20 cm x 6 cm