[High Power & More Efficient]- With 5W to 8W continuous alternating ultrasonic and electromagnetic waves, our pest repeller can effectively drive the mice and insects away from your home. Our insect repellent combines advanced technology and humanitarianism. It's cheaper and more than expensive pest control companies and more effective than other pest control methods. [Newest Frequency Conversion Technology]- Pest repeller can effectively drive pests away by newest frequency conversion dual wave technology, the intelligent chips inside of the repeller can make continuous alternating frequency of ultrasonic and electromagnetic waves automatically, they are converted and coexisted, can effectively repel rats, mice, rodents, cockroaches, mosquitoes, spiders by disturbing their auditory systems. [ Coverage]- With Three Speakers which adopt membrane technology, the strength of sound wave enhances dramatically. So our pest repeller can release more ultrasonic and electromagnetic waves in