Experience long-lasting, firm erections with the Siphon Penis Pump Male Masturbator. This automatic, hands-free pump is a simple solution for immediately increasing the size of your penis. With just one touch, the robust motor generates a powerful vacuum within the chamber, causing your erection to rapidly grow in both length and girth. Featuring motorized suction for effortless use and multiple frequencies to cater to various needs, this pump also includes a precise scale for accurately measuring the enlargement effect.