Proven effective in eliminating over night vulture roosting problems and the mess and danger asswociated with it. A solution that clears your tower, and keeps it that way.
Does not exchange one problem for another. There is no offensive noise or any other form of pollution to the humans in the area.
A smart system that actually self modifies itself every day based on a number of business rules/criteria. Not two days are ever alike. This way the birds will not become accustomed to it.