Ultrasons anti pigeons

Cover: 2280Sq.Ft~3600Sq.Ft " Repel pest birds with ultrasonic (silent-to-humans) sound waves. Most ultrasound only works indoors, but this device is powerful enough for use within medium-sized outdoor areas (up to 3,600 sq. ft.). *Ultrasonic repeller *Keeps pest birds and small animals away from medium-sized outdoor areas (up to 3,600 sq. ft.) *Non-species-specific sounds are ideal for repelling any bird *Utilizes NEWEST technology to create powerful high-frequency ultrasonic waves *Weatherproof–NEMA Rated casing is designed to withstand outdoor use "