They emit loud, audible Seems at random intervals 24 hrs on a daily basis to maintain birds of all types away from your assets. The one difficulty using this product is, that some individuals are more sensitive to sounds. Particularly some Gals and kids are delicate sufficient to hear ultrasonic https://reid1mudj.tribunablog.com/the-5-second-trick-for-installing-a-pigeon-repellent-in-arar-45909024