This screensaver simulates a fabulous sonar detector dropped to deeps somewhere in ocean. It displays operator's display where located famous circular screen with rotating beam and many other information. It also allows leaving on-screen messages.

The utility converts HTML code into the form unreadable by spam bots but also understandable for Internet browsers, so the web-page visitors will notice no difference from the original unprotected web form, making anti-spam protection user-friendly.