While other bat repellents are not pet-friendly, ineffective and have a bad smell, Ultrasonic Bat Repellent is silent to human ears, odorless, perfectly repels bats, and is 100% safe for children and pets How it works - This ultrasonic bat repellent works on a biological level by emitting ultrasonic waves to send bats and other unwelcome guests back to nature. This means you don't have to clean up dead bats, rats, flies, or bugs in your home. One unit covers an area of 100-800 square feet. Enjoy living in a pest-free home - While this ultrasonic bat repellent is specifically designed to repel bats, it also works on rats, flies, bugs, mosquitoes, fleas, and cockroaches. We wish our family the best and we wish yours the same. Click the "Add to Cart" button now to grab this deal before our limited time offer expiresProduct Specifications1. Voltage: 100-240V AC, 50/60HZ2. Power: 2.5w3. Output Audio: 20-65KHz Electrical Plug-in Device: Do not use outdoors, in heat, water or other liquids or moisture. Coverage is 100 to 800 square feet with no obstructions in front of the device that could block the ultrasonic waves.