Programmable outdoor ultrasonic repeller. First-ever ultrasonic bird repeller for EXTERIOR USE. Unique quot;silent to humansquot; harassments get rid of birds for good. Targets bird pests with unrelenting newest-technology ultrasonic waves! This powerful sound attack forces bird pests to leave for good yet it is harmless to the birds and the environment. Heavy-duty quot;surround soundquot;. Separate control box plus four powerful directional speakers (each with 100 of wire) offer greatest all-around flexibility.
