Original Encore Vacuum Erection System 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, this impo-aid and vacuum therapy provide a relatively high probability of a successful erection and is the ideal therapy for treating erectile dysfunction or ED. Vacuum therapy with the use of the Encore system can produce an erection from the penis for as long as thirty minutes. Encore Vacuum Erection Includes: * Both a battery and manual Vacuum pump that twists into penile tube for easy one hand operation. * 7 different sizes of rings (more than any other system on the market) * Encore Educational video and instructional manual * Easy to use ring loading applicator * Patented ring ejection system * Sample lubricants