First ever ultrasonic repeller for exterior use

Ultrason X targets birds with the technology of ultrasonic sound waves. This unique form of harassment creates an irritating environment for birds and forces them to leave, yet is silent to humans. Separate control box plus four directional speakers offer all-around flexibility. Each speaker broadcasts sounds for two seconds then switches to the next speaker in sequence. Use for open parking lots, small roof areas, park and picnic areas. Plugs into any 110V AC outlet. Covers up to 3,600 sq. ft. USA made.