Emerson Ultrasonic Pest Repeller with Night Light & Ac Outlet Em105 6pk Just plug in the Emerson pest repeller and it will keep mice, rats, spiders and ants away safely and easily This small and compact device can be used anywhere indoors and easily plugs directly into your wall outlet It is perfectly safe to use around your children and pets. No messy traps or noxious poisons Em 105 - Set of 6