Ultrasonic bed nets are great for babies and pregnant women. Ultrasonic nets do not have to worry about mosquitoes, cockroaches and other insects. Ultrasonic and electromagnetic waves can effectively destroy cockroaches, rodents, mice and other parasites by affecting their nervous systems.[Safety and environmental protection] non-toxic ultrasonic mice, no chemicals, no trapping, no killing, 100% safe. Ultrasonic dentin glycoside is a physically non-toxic, environmentally friendly, safe rodenticide for household use. It is a rodenticide technology that combines advanced technology and humanitarian features.[Simple installation and use] When the mosquito repellent is turned on, the blue flashing light indicates that the work is in progress. Place ultrasonic repellents 20 to 100 cm above the ground. Depending on the level of infection, the traps are generally effective within 3-4 weeks; The more material the mice had, the more cockroaches and mosquitoes disappeared. The dog was not disturbed. The cat always turns around like that.[Large surface area mosquito nets can have an effective ultrasonic range of less than 800-1300FT2 per shot. Please note that ultrasonic waves cannot cross walls. Although our ultrasonic mouse is very good, if you have a lot of intrusions, we recommend that you place mosquito repellent in every room.[100% satisfaction] Mousetrap, ultrasonic parasites.Product name: Multi-function grindingProduct template: ThenProduct color: white,Applicable voltage: 90-250 VElectric power products :1 WNet weight: 60 grams