General description Ultrasonic Mosquito Repellent is an effective solution for repelling a variety of pests including mosquitoes, insects, rats, ants, cockroaches, spiders, and more. This product utilizes the latest dual chip technology to emit enhanced low-frequency waves that are safe for humans and pets, ensuring a peaceful environment without disturbing sleep. Technical specifications Includes sound generators that mimic predators to repel pests Effective coverage area: up to 1200 square feet Power source: Plug into power outlets or outdoor sockets Recommended installation height: 30-50 inches from the ground for flying insects; 10-30 inches for crawling insects Installation Plug the ultrasonic pest repeller into a power outlet Ensure the blue night light is on to indicate operation Install one unit in each room for optimal effectiveness, as ultrasonic sound cannot penetrate walls or solid objects Avoid barriers such as curtains or cabinets in front of the repeller Usage The