Ultrasonic insect repellent: The use of ultrasonic technology to repel mosquitoes, mice, insects and other pests has a certain repelling effect on these pests. Versatility: Covers a variety of insect repellent needs, from mosquitoes to mice, cockroaches and other pests, and can provide a full range of repellent effects. Electronic insecticide: Electronic mosquito coils or mosquito killers may use electronic technology to capture or kill mosquitoes and provide a quiet indoor environment. Portable design: These products are usually small and portable, suitable for home or outdoor use and easy to carry. Environmentally friendly and healthy: Compared to chemical repellents, these products may be more environmentally friendly and have less impact on the environment and human health. Pest repellents: They may be promoted as highly effective insect repellents, attracting customers for their versatility and effectiveness.