Product Specifications 1. Voltage: 100-240V AC, 50/60HZ 2. Power: 2.5w 3. Output Audio: 20-65KHz Electrical plug-in device: no outdoors, hot, water or other liquids or humid environment. Coverage 100 to 800 square feet, no obstacles in front of the device that may obstruct the ultrasonic waves. WHILE OTHER BAT REPELLENTS are not pet friendly, don't really work and smell bad, the Pest Destruct Ultrasonic Bat Repellent works silently for the human ear, does not smell, perfectly eliminates bats and 100% safe for children and pets. HOW IT WORKS - This Ultrasonic Bat Repellent works on a biological level by sending out ultrasonic waves to send bats and other unwanted guests back to nature. This means no dead bats, mice, rats, flies, or bugs for you to clean out of your house One unit covers an area of 100-800 sqft. ENJOY LIVING IN A PEST FREE HOME - While This Ultrasonic Repellent is specifically designed to eliminate Bats, it also works on Mice, Rats, Flies, Bugs, Mosquitoes, Fleas, and Cockroaches. WE ARE REAL PEOPLE WHO USE OUR OWN PRODUCTS every day. We expect the best for our family and want the same for yours. Click 'ADD TO CART' Button NOW and grab this deal before our limited time offer expires