Protects up to 2000 Sq. feet Works on mice, rats, roaches, ants and more Money Back Guarantee Tested to be the most effective pest control on the market! It works behind walls, under floors and above ceilings where pests hide, live, and reproduce. The device works through the wiring in the walls to create irritating-irritating zone that not only drives them out, but keeps them away. Just plug it into any 110 outlet (or wire it directly into a circuit), and it goes to work and stays on the job day and night. One Pest-A-Cator device protects up to 2000 square feet on one level, even with as many as eight rooms. Protects up to 2000 square feet No insecticides, pesticides or chemicals Maintenance free Safe for children and pets (except hamsters, gerbils and other rodents)Tested by the U. S. Navy and in public housing facilities Backed by a 60-day money back guarantee and a 1-year warranty on parts and workmanship