• 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 3 recorded sounds (Gunshot,dog barks, eagle sounds)
• Material: ABS plastic
• Power: solar power +1 x Lithium-iorn rechargeable battery or 9V 2A adapter 
• maximum volume:120dB
• Coverage Area:8 meters@ 110°=70 square meter