Instructions: 1.Plug this product into an AC/90-250V power outlet; there is a bright light under it, and it flashes periodically, indicating that the ultrasound is starting to work. 2. Place this product at a height of 20-100cm above the ground as needed: repellent; place it at a height of 20-30 cm above the ground to repel mosquitoes; place it at a height of 80-100 cm above the ground to repel insects. Aim the beak directly at the pest in the area. Scope: 1. The product is mainly used to repel rats and other rodents, mosquitoes. Do not place rodent animals (such as guinea pigs, cats, hamsters, etc.) within the scope of ultrasound. 2.The products are widely used in supermarkets, enterprises, residences, apartments, hotels, agricultural buildings, institutions, banks, libraries, catering outlets, etc. Precautions: 1. Do not put the product outdoors, do not use it in high temperature and humid environment, do not put the product into water or other liquids. 2. Make sure that the product
