Bird-X Sonic/Ultrasonic Bird Repeller, Model# BB-PRO

Programmable sonic and ultrasonic bird repeller drives birds from stubborn infestations by creating a menacing environment that scares away birds for good. Ultrasonic signals are silent to humans while sonic signals are neutral predator sounds. Visual reinforcements included for full attack. U.S.A. Weatherproof 110V system 4 speakers, each with 100 feet of cable