This electric vacuum pump is an easy-to-use device to help enlarge and strengthen your penis during intimate moments The vacuum electric enlargement technology is designed to help increase pressure in the penis chambers, resulting in improvements in length, girth, and erection This vacuum helps draw more blood into the penis, strengthening the tissue and causing an erection Easy application allows use in your own home or any private area It enables you to increase the length and girth of your penis noticeably without any medical intervention It has a clear chamber with measurements so you can easily see the results Easy push button purge valve Specifications: Material: ABS and Medical-Level Silicone 3 Speeds for choice control USB rechargeable Low dB Product Size: 230mm 6.9mm How to Use: Press once for the first pressure level Press twice for the second pressure level Press thrice for the third pressure level To release all pressure press the release valve