Ultrasonic Pantry Pest Moth Trap- Strongly Recommended for Mice and Rats. No Need To Use Traps, Poisons Or Chemicals Around Your Kids Easy To Use- Simply Plug It In An Outlet Above The Ground In The Area Of Infestation And It Starts To Work Right Away. This Pest Repeller Will Drive Mice And Rats Away From Your Home Next Generation Device - It Attacks Their Auditory And Nervous System And Forces Rats And Mice To Leave Your Home 1 Unit Covers Up to 200 Square Feet - Use Of Multiple Device is Recommended To Increase Effective Area. Do Not Plug Behind Furniture, Carpets, Refrigerator As It Will Block Sound Waves. Proven System That's Been Working For Over 12 Years