Maintain Strong Erections - Say goodbye to stress-related erectile issues with our penis enlarger pressure pump. Experience firmer, longer-lasting erections that will improve your performance Customizable Suction Strength - Our cock pump features three levels of suction intensity, allowing you to gradually train and improve your enlarge pennis size. Perfect penis enlarge for beginners or experienced users Easy to Use - Our electric penis pump is designed with user-friendliness in mind. With its three buttons, you can easily select the pressure level you desire on penis pump for men. Simply follow the instructions in the user manual, and release pressure with the VALVE button once you've reached your desired level of erection Material & Size - The main material of penis enlargement pump device is Silicone, ABS, Cylinder Size: 20cm / 8“ in length, 20cm / 8“ in circumference. Came with 1 x Penis Ring, 1 x Penis Pump, 1 x Lengthened Transparent Pipe, 1 x User Manual. Do not include AAA batteries