Turn your home's wiring into a pest repellent force field. Patented digital pulse technology repelsrodents, roaches, ants & spiders. Overview: Size/Count 1.0ea. Patented digital pulse technology For rodents, roaches, ants & spiders Non-toxic, no chemicals or poison Built-in nightlight Easy, plug and play 110V outlet only Double insulated No serviceable parts This device may not cause harmful interference, and This device must accept any interference received, including interference that may cause undesired operation Simply plug into any home outlet. For household/residential use only. Not recommended for use around rodent type pets..