VEPOWER Pest13 Ultrasonic Technology: Use of advanced ultrasonic technology to drive the pests out of your home. Apply to Rats, Mice, Ants, Roaches, Spiders, Bugs, Fleas, Bats,etc.. EASY TO USE: Just plug the device into any suitable outlet then will start to working, and it has low-frequency sound waves will not affect you and your family and pets. The range of influence is 80-120 square meters (no wall or other obstruction blocking). Non-toxic and Safe: Easily rid pests without the use of chemicals or harmful toxins. Protect your health and do not need to set dangerous traps SILENT: The ultrasound emitted by the device is not within the hearing of humans and pets and will not cause any harm. GUARANTEED - Purchase with total, risk-free confidence. You'll see results within 3-4 weeks, feel free to contact us for any questions.