1. Ultrasonic insect repellent, quiet and effective to repel pests - if you are considering using non-chemical methods to repel pests, we recommend that ultrasonic insect repellent is a device that emits continuous noise, and its frequency is too high for humans to hear. These sound waves are designed to disperse, harass and stop common household pests, such as cockroaches, spiders, mosquitoes, ants and rodents. Intelligent multi-frequency ultrasonic conversion system makes pests nowhere to hide.2. Protect your family in a healthy and peaceful way - many people will naturally worry about the safety of pets when using insect repellents. The study found that although cats and dogs can hear sound waves, humans and family pets cannot hear ultrasonic waves. So you can rest assured that this insect repellent will not affect your family and pets3. How to use ultrasonic insect repellent at home - insect repellent is easy to use. What you do is plug the insect repellent ultrasonic into the power socket. When the blue night light is on, it will start to repel insects. The insect repellent should be placed in a place that will not be affected by the walls and furniture. It is recommended to install this insect repellent between 30-50 inches from the ground (for flying pests) and 10-30 inches from the ground (for crawling pests).4. Protect your home with 360 ° dead angle - the effective coverage area of each pest control can reach 1400 square feet. Because ultrasound cannot penetrate walls and solid objects, it is recommended to use one room for one unit. 360-degree protection of your home.5. Depending on the severity of the pest, typical results may take 1-2 weeks. In most cases, the effect of electronic insect repellent can be seen in 3-4 weeks! Then we can say goodbye to pests and mice