Wide Coverage Area <br> <p>The Ultrasonic Pest Repeller is effective within an indoor area up to 1300 sq. ft. It's widely used in homes, warehouses, offices, gardens, hotels, etc. We recommend you to install one for each room to have full coverage from pests. </p> <p>The Ultrasonic Pest Repeller is non-toxic, no chemicals, silent and 100% safe to pets and human. You and your family would enjoy life in a peaceful and friendly atmosphere.</p>