Introducing our Upgraded version of our powerful ultrasonic insect repellent! Designed to provide ultimate protection against bothersome pests, this factory-made product harnesses state-of-the-art technology. Emitting high-frequency sound waves imperceptible to humans but highly repulsive to insects, it creates a protective barrier within a 360-degree range. Guard your space effortlessly, without the use of hazardous chemicals or harmful traps. Trust our factory-made ultrasonic insect repellent for a bug-free environment.