Visits your site with unique IP.
You contact me by VK or mail and tell a unique 16-digit code.
Then you tell me the name and URL of the site, additional settings (geo-targeting, impressions interval or number of impressions per hour) and I put it in advertising.
After the advertising you receive a report (screenshot), or you can see the statistics on the meter installed on your site

Before buying check out the rules http://websurf.ru/signup.php?show=terms
For a positive review 1000 visits for free.