Protect your home from unwanted insects & pest with the Plug-in Insect Repeller. Simply plug it into any electric socket & it will emit changing ultrasonic waves that create a noisy and hostile environment which repels insects & pests, whilst remaining safe for humans and household pets such as cats, dogs, birds & reptiles. Ideal to ward off rats, mice, ants and spiders. Environmently friendly so no insecticides, no traps & no poisons. Perfect for an average size room in the home or office. Has a built in LED night light that lasts up to 100,000 hours. For indoor use only.