The Penis Pump with Pressure Gauge is a complete all-in-one penis pump set featuring everything you need for effective pumping. It`s trigger grip makes it easy to control the pressure while the attached gauge helps to keep track of pressure with precision. This model is made for easy handling, allowing you to achieve different types of penile enlargement through manual suction stimulation. (FDA Approved) Product Spec SheetDownload PDF (SU300-305)