The Beacon Pest Control Mouse and Rat Repeller offers a convenient solution to keep your home free from mice and rats. This pack includes three electronic repellents that are ready to use. Simply plug them into any socket in rooms where rodents have been spotted, ensuring that you have already dealt with any infestations for optimal effectiveness. These ultrasonic revellers are safe to use around children and pets, providing a poison-free approach that can be utilized throughout the year. Remember to use the revellers safely and read the label before use.