The Ever Pest Ultrasonic Pest Control Repeller is a plug-in device designed to repel rodents, ants, cockroaches, and more. With an electric power source and LED night light feature, this pest repeller is perfect for indoor use. Made of durable plastic in a sleek white and blue color, this pack includes 2 units to help eliminate unwanted pests from your home or garden. The ultrasonic vibrations emitted by this repeller effectively deter pests without causing harm, making it a safe and efficient option for pest control.