【Ultrasonic against rodents insects】 Rodents scratching in your walls, at home, in your house? Insects are omnipresent in your home but you don't know how to get rid of them? The electronic repellent is made for you thanks to its ultrasonic repellent technology. It only emits ultrasound against mice, rats, insects and other pests while keeping your pets safe. 【Large coverage area】 Each electronic ultrasonic repellent is effective for a large area. Which is much more powerful than other cheaper repellents. Please note that ultrasonic waves cannot pass through walls. Although our insect repellent works well, if you have a large infestation, we recommend placing our insect repellent in each room 【Safe and Quiet】Non-toxic and environmentally friendly ultrasonic repellent, our repellent is 100% safe and effective, the ultrasonic frequency emitted by this machine is inaudible to humans and pets. Safe for children, family and pets. Indeed, an idea to get rid of the hassle of rats and pests