Powerful Performance: This latest ultrasonic rodent repellent has two chips, which will emit stronger and more concentrated ultrasonic waves, which will make it harder to approach pests and rodents than before. Bedbugs bed, spiders, ants, cockroaches and mice stay away from you Houses! Safety and Environmental Protection: The insect repellant contains no chemicals, no radiation, no odor, no dead bugs, no batteries and gives you 100% safety guarantee. His ultrasound only affects the parasites, and the ears cannot detect sounds, so it will not interfere or irritate humans and animals! Small and light, wide application range: The new small square design is very cute, cartoon style, only 27g each, ultralight and stress-free, widely used in home, warehouse, office, hotels, etc! Effective coverage rate: We recommend installing one unit per room for the best and best results. For larger storage areas, we recommend installing 2 or more devices! Easy to Use: All you have to do is plug our pest