While other bat repellents are not suitable for pets, Pest Destroying Ultrasonic Repellents work without emitting unpleasant odors and operate quietly, making them safe for use around humans. This device is odorless and safe for use around children and pets.How It Works This ultrasonic bat repeller operates by emitting high-frequency sound waves that are designed to deter bats and other unwanted pests. The technology encourages bats and other pests to leave the area, helping to keep your home free from infestations. There is no need to deal with dead pests. One unit covers areas up to 800 square feet under optimal conditions.Enjoy a pest-free home environment. While specifically designed to repel bats, this ultrasonic device is also effective against mice, flies, insects, mosquitoes, fleas, and cockroaches.Product Specifications 1. Voltage: 100-240VAC, 50/60HZ 2. Power: 2.5W 3. Output frequency: 20-65 kHz Usage Instructions Plug the device into an indoor electrical outlet. Avoid using in outdoor areas, near water, steam, or in highly humid environments. For best results, ensure there are no large obstacles blocking the front of the unit that could interfere with sound wave distribution.Coverage area ranges from 100 to 800 square feet in open, unobstructed spaces.