describe: While other bat repellents are not suitable for pets, don't actually work and smell bad, Pest Destruct Ultrasonic Bat Repellent works silently to the human ear, has no odor, completely eliminates 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 into the wild. This means you wont have dead bats, mice, flies or bugs in your house to clean up. A unit ranges from 100-800 square feet. Enjoy living in a pest-free home - this ultrasonic repellent is specifically designed to get rid of bats, it also works on mice, rats, flies, bed bugs, mosquitoes, fleas and cockroaches. Voltage: 100-240V AC, 50/60HZ2. Power: 2.5w3. Output Audio: 20-65KHz Electrical Insertion Equipment: No outdoor, heat, water or other liquid or moisture environments. Coverage range is 100 to 800 square feet, with no obstructions in front of the device that could block ultrasound waves.