General description The Ultrasonic Pest Repeller is an upgraded electronic device designed to effectively repel a variety of pests, including rats, cockroaches, spiders, and mosquitoes. This pest control solution is safe for children and pets, as the ultrasonic sound emitted is inaudible to them. With continuous use, noticeable results can typically be seen within 2-3 weeks, making it an ideal choice for homes, offices, garages, hotels, and basements. Technical specifications Effective coverage area: up to 1600 sq. ft. Installation height: recommended 20-80 cm from the ground Installation Simply plug the device into a power outlet 10-30 inches from the ground. When the blue night light is on, the repeller is active. Usage Can be used continuously without the need for batteries. Functions as a night light while repelling pests. No need for sprays or cleanup of dead insects.