"EMERSON'S" ULTRASONIC ELECTROMAGNETIC PEST REPELLER WITH NIGHT LIGHT AND SIDE AC OUTLET - SET OF 3 (EACH PROTECTS UP TO 3000 SQ. FEET!) Safe and humane way to get rid of mice, rats, spiders and roaches Ideal for home and office No chemicals or toxic fumes Safe for children, dogs, cats, birds and fish Each with night light and side AC oulet (Set of 3)