Pest Control,[4 packs]Peyou Electronic Plug in Ultrasonic Pest Repeller,Repels Mice,Rats,Ants,Roaches,Spiders,Mosquitoes,Small Rodents,Other Insects,Non-toxic Eco-friendly,Humans & Pets Safe Eco-friendly Design:At present,all pets should be protected by humans,this pest control can repel all insects or other pets far from your home,and still never kill any pets,so great idea!Pest Control Ultrasonic Repellent uses safe & effective technology to rid those nasty pest from your home.Besides,there is a Night light in the front of pest control,if you go up at night,it will offer you small light. Easy to Use:Plugged in to any standard household outlet to use,so simple and easy!Pest Control will drive pests out of your home for good.And the Blue LED on means Pest Repeller is producting your home and pets. Noiseless and Safe:This Ultrasonic Pest Control has no noise,but can Repels Mice,Rats,Ants,Roaches,Spiders,Mosquitoes,Small Rodents,Other Insects,Non-toxic Eco-friendly,still keep your family and pets safe. Effective Room:The Ultrasonic Pest Repellent is effective for an area up to 80-120 Square meters.Please note that ultrasonic waves cannot travel through walls.If you have a large space,we recommend you can order several! Included:4 Packs Electronic Ultrasonic Mouses Repeller