ULTRASONIC TECHNIQUE AND LONG-LASTING EFFECTThis repellent with Ultrasonic is an updated version, which uses an improved chip that is more powerful and makes pests and rodents more difficult to kill. immunize than before. Works well on mice, cockroaches, spiders, insects, mosquitoes, insects, mice, rodents, flies, ants, fleas and other pests. Safe and humane: the repellent is safe and does not require maintenance. The product adopts a physical form to repel mice and pests from your home instead of killing them. Non-toxic and radiation-free, completely safe for your family and pets. Let the dangerous trap escape. mice, poison mice and the spray for mosquitoes escape from the house. Sensitive coverage and energy savingThe insect repellent is effective for an area up to 1300 square feet. The best efficiency is obtained in houses and apartments, offices, garages, attics, basements, warehouses, greenhouses and gardens. However, as the ultrasonic effect will be weakened by walls and solid objects, we suggest using at least 1 device for each room. Compared to expensive pest control service. Easy to use UseThe electronic repellent is a plug and play device, as long as it works, the breathing light indicator light will be on. For best results, connect the repellents to a remote control. a distance of 10 to 30 inches from the ground, but you can determine the installation time depending on the type of pests. Long application The insect repellent device ` Ultrasound is perfect for places where Insecticides or poisons cannot be used, such as food processing facilities, food mills, etc. flour, the barn, the mill food, etc.