The Encore Vacuum Erection Device is capable of restoring sexual function in up to 90% of impotent men. As a non-invasive and low cost option to chemical and surgical procedures to treat impotence, vacuum therapy provides a relatively high probability of a successful erection and is ideal therapy for treating erectile dysfunction. Vacuum therapy with the use of the Encore system can produce an erection from the penis for as long as thirty minutes. This device has immediate results, requires no surgery or drug treatment. The device is easy to use with no major side effects. Features of the Encore Vacuum Erection Device: * Battery operation * Comfortable grip handle * Easy to understand instruction booklet * Patented ring ejector * Lifetime warranty on pump and tube * Toll-free technical support line The Encore System comes complete with battery operated pump and cylinder, 4 incrementally sized tension rings, personal lubricant & instruction manual. The American Urology Association's clinical panel on treating impotence has recommended vacuum device treatment as a safe and effective non-invasive treatment. The Vacuum Erection Device is discreetly shipped in discrete packaging.