Features: 1. **Ultrasonic Technology**: Utilizes advanced ultrasonic waves to effectively repel mosquitoes, mice, cockroaches, and flies without harmful chemicals, ensuring a safe environment for your family and pets. 2. **Wide Coverage**: Designed to penetrate small cracks and crevices, this repellent reaches hidden pests, providing comprehensive protection throughout your home. 3. **User-Friendly Design**: Simply plug the device into any standard outlet and watch the blue indicator light activate, making it easy to use for anyone. 4. **Eco-Friendly Solution**: Our repellent is non-toxic and environmentally friendly, offering a safe alternative to traditional insect control methods without negative impacts on health or nature. 5. **Silent Operation**: The ultrasonic waves are inaudible to humans and pets, ensuring a peaceful living space while effectively keeping unwanted pests at bay. Our mosquito repellent contains ultrasonic generator, speaker, plastic case. It can reach many small cracks, thus driving away pests altogether. The physical repellent effect is obvious, and has no impact on human body, pets and the environment. How to use it is simple: Connect the product to an outlet and a blue indicator light will light up to indicate that the device is activated. And can repel insects and mosquitoes.