Lentek PC-01M PestContro Original Lentek's Magnetic-Sonic Technology works within the walls and living area of your home driving pests out Disrupts the nests within the walls, deters pests within the living areas Plug PestContro into a centrally located wall socket--works 24 hours a day Guaranteed effective against roaches, flies, ants, crickets, spiders, bees, mice, rats, squirrels, and other rodents 2 year warranty