Ultrasonic technology: this ultrasonic pest repelled is the latest version and uses a more powerful upgraded chip which makes pests and rodents more difficult to immune than before. produce good injuring effects on mouse, cockroach, spider, mosquitoes, insect, rat, rodent, flies, ant, fleas and more pests.
no harm to human & pets: based on physical pests repellent principle, this product is no harm to humans or pets. this pest repellent is safe for human and our lovely pets like dogs and cats. not adopt the way of killing or torturing pests like roach baits, mouse glue traps, bedbugs and flea. not need to clean up corpses leaving behind and have low power consumption, definitely being a pest repelled.
large coverage area: