4 Pack Ultrasonic Pest Repellers Rat Repeller Mouse Repeller Rodent Control Scarer

Home Protection against rodent infestation can be achieved with this 4 pack of ultrasonic pest repeller.
The repeller has ultrasonic technology that will drive pests from your home.
The unit is inaudible to humans as well as cats and dogs. It is safe to use in children and they will not adversely affect electrical wiring or interfere with domestic appliances.
The ultrasonic feature delivers a continuous output of 100 dB at sweat frequencies which will deter rodents from room areas will 400 square ft. Ultrasound does not pass through doors and walls and is therefore effective only in the room in which the unit is plugged in.This 4 pack should enable you to cover all of the key rooms in your home.
This item is produced by the big cheese company, a specialist in pest control products. The product comes with a two year manufacturer warranty.
The item is brand-new and sealed