Ultrasonic Pest Repeller -This is our advanced version:Effective For Various Of Insects,Ultrasonic Pest Repeller changes the living environment of rats and other common pest insects, make them leave your room. Protects your home from various pest insects, Works for Mosquitoes, Fly, Ant, Cockroach, Mice, spiders etc. Wide Coverage Area: The ultrasonic repellent is effective for indoor area and can cover the area up to 80~120 square meters. Suitable for kitchen, bedroom, bathroom, garage, warehouse, basement and so on. Easy to use: This machine should be installed 80-120 centimeters from the ground. And vertical to the ground and plug into the power outlet. It can be plugged directly into the AC 110V power outlet (power range: AC 90V-240V Frequency: 22-60HZ). Widely used in homes, warehouses, stores, hotels, hospitals, offices, etc. Safe: Use our ultrasonic repeller, eliminate the problem of cleaning insect carcasses. Environmental protection, without any chemical composition, non-toxic