RADARCAN PRO Manual De Usuario página 5

Introduction
The overabundance of birds in residential areas not only
brings with it the filth of highly corrosive excrement, but
also the risk of contracting transmissible diseases, such
as encephalitis, psittacosis, toxoplasmosis, ornithosis,
salmonellosis, Newcastle disease, and tapeworm.
Furthermore, birds are carriers of fleas, ticks and mites, which
in turn can transmit other diseases to humans or domestic
animals. PIGEONS&OTHERBIRDS REPELLER PRO works
by using radar to detect of the movement of pigeons and
other birds (starlings, seagulls, etc.) in flight and when they
approach the device, it emits a dissuasive sound (similar to
three gunshots), which has an immediate effect and prevents
the birds from managing to alight in the area of coverage of
the device, thanks to its cause-and-effect system.