EFFECTIVE - Using a smart double-chip design, the ultrasonic repeller stimulates the auditory nerve and central nervous system of pests and rodents through ultrasonic waves in a range of frequencies. High frequency effectively repels rodents. Environmentally friendly and safe - The product is non-toxic and environmentally friendly, our insect repellent is 100% safe and effective, and the ultrasonic frequencies emitted by this device are inaudible to humans and pets. Safe for children, families and pets. However, if you have pet hamsters in your home, do not use this ultrasonic repellent. Wide Coverage - Each ultrasonic electronic insect repellent is suitable for large areas up to 600-1200 square feet. Note that ultrasound cannot pass through walls. Although our repellents work well, we recommend placing our repellents in each room if you have a large infestation. EASY TO USE - The unit should be installed at a height of 80-120cm above the ground. above ground. And perpendicular to the
