The Loraffe Under Hood Rodent Repellent is a plug-in ultrasonic pest repellent specifically designed to deter rats. With a voltage requirement of 12v, this model (zn-508) from the brand Loraffe offers a convenient and effective solution for keeping rodents away from your yard, garden, or outdoor living spaces. Without the need for batteries, this product provides constant protection against pesky rodents, ensuring a pest-free environment for you and your family.