“EASY TO USE - Just plug the Ultrasonic Electronic Pest Repeller into a power outlet and the blue light will start repelling pests. Safer for Kids and Pets - Humans and pets can’t hear ultrasound, an eco-friendly alternative to dangerous poisons, sprays, chemicals and traps, no odors and dead bodies. EASY TO USE, BLUE NIGHT LIGHT - To install our ultrasonic pest repeller, simply plug it into a power outlet. When the blue LED night light comes on, it means the device is working and this ultrasonic rodent repeller is starting to keep pests away from your walls, floors, basements and attics. set it up quietly in a child’s room, bedroom or guest room. Pest repellents can effectively cover and control areas up to 800-1200 feet per device. It is recommended to install 1 device per room. Note that ultrasonic waves cannot pass through solid materials and walls, so do not place furniture or anything else in front of it, and keep doors and windows closed to allow ultrasonic waves to expand and
