Ultrasonic Repellent -This is our advanced versionEffective For Various InsectsUltrasonic repellent changes the living environment of rats and other common pests, forces them to leave your room. Protects your home against various harmful insects, Works for Mosquitoes, Fly, Ant, Cockroach, Mice, Spiders etc. Wide Coverage Area: The ultrasonic repellent is effective for indoor area and can cover the area up to 80~120 square meters. Suitable for kitchen, bedroom, bathroom, garage, warehouse, basement and so on. Easy to use: This machine should be installed 80-120 centimeters from the ground. And vertical to the ground and plug into the power outlet. It can be plugged directly into the 110V AC power socket (power range: AC 90V-240V Frequency: 22-60HZ). Commonly used in homes, warehouses, stores, hotels, hospitals, offices, etc. Safe: Use our ultrasonic repellent, eliminate the problem of cleaning insect carcasses. Environmental protection, without any chemical composition, non-toxic harmless, it is 100% safe for the elderly, children and pets.