Mehome&reg; Ultrasonic Pest Repeller - Repells Rodents and Insects Electromagnetic Rat Mouse Insect Repeller PACK OF 1 - Package includes 1 Mehome Plug-in Ultrasonic Pest Repellers. None of pests are immune to the sound and completely leave after a few short weeks of use ELIMINATE PESTS FROM YOUR HOME : Mehome Ultrasonic Pest Repeller uses state of the art ultrasonic technology to drive pests away. Plugged in to any standard household outlet Rid-Tech uses low fequency sound waves, inaudible to humans and pets, which drive pests out of your home for good. Mice, rats, spiders, roaches, moquitoes, ants; None are immune to the sound and completely leave after a few short weeks of use. SAVE HUNDREDS ON PEST CONTROL : STOP spending hundreds or even thousands of dollars of costly pest control services. Let the Mehome repeller drive out pests for a fraction of hiring Pest Control services on a MONTHLY basis. NO HARMFUL CHEMICALS OR POISONS : Forget the harmful chemicals, poisons, and traps typically used in households and by pest control technicians. Mehome Pest Control Repeller is 100% safe and effective. Rid-Tech Naturally drives pests out without killing them. No need to clean up dead insects and rodents. Mehome Ultrasonic Pest Repeller creates an uncomfortable environment for pests so they simply leave. EASY TO USE : Simply plug in the unit and let the Rid-Tech Repeller do the rest. Use 1 unit per average-sized room with a pest problem. Additional units will be required in larger areas. Areas such as attics, basements, garages and large storage areas may require more than one unit.