Apollo Automatic Head Pump – Clear

This pump for the head of a penis is easy to use, with incredible suction and a flanged base for a secure seal. It features automatic pressure control with the push of a button, and a quick air release. Easy-to-read LED display measures PSI vacuum inside the compact cylinder. Auto start/stop button. Cylinder measures 4 in. by 2 in. Requires 4 AA batteries, not included.