100% Safe and Humane: Our high quality ultrasound is safe for humans and other animals, because people over 20KHZ cannot hear it. Say goodbye to irritating and hazardous chemicals. This type of microelectronic technology does not produce any radiation and is silent. Safe for pregnant women and babies Highly effective coverage: The effective range of the product is about 80-120 square meters, and the best effect is about 50 square meters. These 20 ~ 55KHZ ultrasound can drive out unwanted pests without killing them. Ultrasonic frequencies cannot penetrate walls, so one unit per room, unless you are severely infected you may need more. Easy to use: just plug in one outlet and let the magic happen. Be sure to insert the ultrasonic pest control insecticide at least 80 cm from the ground. Ultrasonic insect repellants may take 3 to 4 weeks to take effect. Please note that if you have rodents in your house, such as hamsters, guinea pigs, etc., please be careful. Please ignore it. Endless Use
