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.).
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.).