Pest Stop 500 Ultrasonic Repeller

White Effective against mice and crawling insects Uses fluctuating ultrasonic waves to cause auditory stress to pests Direct plug in design use almost anywhere in the home Covers 1 room , at least 500sq ft. Ultrasound does not penetrate walls or other solid objects, and is best positioned with an unobstructed view of the target area Safe and effective no chemicals or traps Will not affect humans, cats, dogs, fish or birds