Ultrasonic Plug-In Pest Repeller - 4Pk
Now you can rid your home of mice, ants, roaches, spiders and other unwanted pests safely and easily without dangerous traps and chemicals. These Bell & Howell Pest Repellers use silent ultrasonic signals to drive pests away. Simply plug a pest repeller into an outlet in each room that you want to protect. Plastic. Set of 4. Each measures 3"H.