Mimics the predatory sounds of hawks & owls
Sea gulls, crows, blackbirds, pigeons & even some common rodents will all flee from the sound
Motion Detector mode triggers the predatory bird signal if any movement is sensed in a 130 area up to 30 ft
Timed interval mode can be set to produce the signal in adjustable periods of 530 min
Equipped with a photocell that automatically turns the unit off when it gets dark when the activities of most birds cease