Features:[Ultrasonic]The pest repeller with upgrade ultrasonic to drive away kinds of vermin, and it is safe and inaudible to humans and household pets.[Safe Eco-Friendly]Get rid of rats, flying and crawling insect infestation with humane treatment. You don’t have to kill mosquitoes with chemicals and clean up their remains after.[Wide Effective Coverage]The ultrasonic pest repeller is effective for an area up to 80 square meters, one room one unit is recommended.[Premium Material]The electronic vermin repeller is made of thickening and tough ABS material ensuring durability and longevity.[Widely Applicable]Effectively reject rodents, roaches, spiders, mosquitoes, bed bugs, ants, etc. It’s widely used in homes, warehouses, offices, gardens, hotels, etc.