The Big Cheese STV717 Sonic Mouse and Rat Repeller, Plug-In, Humane, Ultrasonic Rodent Pest Deterrent for the Home, Covers up to 37 sq m, Safe for Use Around Cats and Dogs

The Big Cheese Sonic Mouse and Rat Repeller is an ultrasonic, plug-in rodent deterrent. Rats and mice are deterred from household areas by ultrasonic waves which are constantly changing frequencies so rodents don?t get used to it and continue to be repelled from the home.Directions for UsePlug the sonic mouse and rat repeller into a standard wall socket wherever there is evidence of rodent acti...