Rodent Repellent

It plugs into a standard wall outlet to emit high-frequency ultrasonic waves designed to humanely repel mice and rats. Ultrasonic Sound: Emits varying frequencies that are highly irritating to rodents but completely inaudible to humans and non-rodent pets like dogs and cats. Built-in Nightlight: Gives off a soft glow when plugged in, which acts as a visual indicator that the device is functioning properly.