Introducing our Ultrasonic Rat/mouse Repeller featuring Intelligent Frequency Conversion Technology! As a distinguished factory, we ensure the highest quality. This innovative device emits ultrasonic waves, deterring rats and mice effectively. Its intelligent frequency conversion technology ensures that pests don't become accustomed to a constant frequency, increasing efficiency. With a sturdy build, easy installation, and no harm to pets or children, this repeller is an ideal solution. Bid adieu to pesky intruders and create a pest-free environment with our exceptional product.