The As Seen on TV Riddex Plus helps eliminate pests and rodents. Just plug it in to a wall socket to get rid of vermin. This pest-repelling aid has a patented microprocessor that works on electromagnetic technology to repel ants, mice, cockroaches and other pests away from your home. Each unit offers coverage for 1 floor of an average-sized home. It has an LED indicator light and a built-in night light. Non-toxic and safe for use in homes with pets or children.