Eliminator Plug-in Pest Repeller with Night Light &ndash; Eradicates All Types of Insects and Rodents Easy to use; just plug into socket and turn your home into a pest-free zone. Effective for ants, roaches, spiders, bugs, fleas, rats, mice and much more. Emits Electromagnetic shield waves to prevent insects and rodents from coming through exterior walls Emits a mix of powerful ultrasonic frequencies, and is extremely irritating to rodents and insects. Protect your home from all types pf pests without using any chemicals, sprays or messy traps.