The PIR detects motion and triggers the ultrasonic speaker emitting a tone that people cannot hear but chases away common outdoor pests like mice, rats, skunks, dogs, cats, foxes, deer, raccoons, squirrels, martens, birds, bats and more.
Specification:
PIR sensor angle:110 degrees
Strong flashing LED and ultrasonic wave
Material: ABS plastic
Power: solar power +3 x AA rechargeable batteries or 9V 200mA adapter