Keep unwanted creatures away from your home when you deploy the Bell and Howell Electromagnetic Ultrasonic Pest Repeller. It uses both ultrasonic and electromagnetic technology to effectively repel a host of pesky critters and creatures. Mice, rats, spiders, ants, roaches and other rodents and insects can be kept away without having to use chemicals or traps. The Bell & Howell pest repeller is designed to work through the wiring within the walls, and it emits a signal that will drive pests away. Made from plastic material, each unit is built to protect one level of an average size home. The outlet feature on the side allows you to use this garden pest repeller without losing plug space. When you want to keep unwanted creatures away from your home you can turn to a trusted brand name to get the job done. Insects and rodents will stay away, leaving you behind to enjoy the peace and tranquillity of your home.