1. Children and pets are safe and protect your family in a healthy and peaceful way, which is safer than traditional mosquito repellents. Many people 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. Non-toxic substances, odors and chemicals are very safe and harmless to children, pregnant women and pets.2. 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 the insect repellent 30-50 inches from the ground to prevent flying insects, and 10-30 inches from the ground for crawling pests.3. Protect your home without dead corners - the effective coverage of each pest control can reach 1600 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. It is widely used in families, warehouses, offices, restaurants, supermarkets, hospitals, granaries, etc.4. The onset period may take 1-2 weeks according to the severity of the pest. 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!