Riddex Wireless Pest Repelliing Aid drives away rodents and roaches out of your home without toxic pesticides or expensive treatments. Simply sit the unit on any flat surface while the UltraSonic Technology penetrates through walls to protect one average size floor (One unit takes care of a normal sized home, approximately 1000 square feet. Use two or 3 units if the house is more than one story). Measures 3.5 x 1.75 x 4 inches. Uses 3 AA Batteries Not Included.
