This revolutionary Bell & Howell® Ultrasonic Pest Repeller uses both ultrasonic and electromagnetic technology to effectively repel mice, rats, spiders, ants, roaches and other pesky rodents and insects without chemicals or traps. It is designed to work through the wiring within the walls, emitting a signal that will drive pests away. Plus, the outlet feature on the side allows you to use these outdoor helpers without losing plug space! Each unit protects one level of an average size home. 1 1/8"D x 5"L x 3 1/2"W.
