As to my personal experience that electric penis pump can be listed in the number one functional and useful device that men who have got sexual disease should own. Once I was a disabled man when it comes to the sex life, I have dated many girls but on the key point I have let them down. All because I am so nervous and can not erect in time. Then I was advised by one of the girls I have dated before to have a try with the electric penis pump, which will enlarge and lengthen my penis and solve my sexual problem of erectile dysfunction. Sounds not bad, and I began to contact the staff on their website of x4labs.com, and quickly get response within a minute. She has introduced their products in details and has made the comparison of penis traction device before and after and recommened the penis traction device best for me. I am so satisfied with her devoted attitude towards her job and also her customer-me. And I took the electric penis pump home for tests. Amazingly it works! I found my desire and passion again which could not be kidding, and I wiil be responsible for what I have said here, have a try!