Do they still make the devices that emit a sound that keeps rodents away?

they were plug-in devices last I remember and they helped stop the infestation problem with all insects, rats and lizards. if they still make them, where are they sold?Do they still make the devices that emit a sound that keeps rodents away?
yes, go to a local hardware store and they should have itDo they still make the devices that emit a sound that keeps rodents away?
hardware stores