Pest Repellent PrincipleThe ultrasonic pest repeller emits seven cycles of ultrasonic wave frequency, which is beyond human hearing to repel rats, flies, mosquitoes, spiders and other animals, making them uncomfortable. comfortable and interfering with their nervous system to make them escape automatically. Large CoverageThe repeller covers a range of 10 to 60 , with 360° pest control. Easy to use, you just need to turn on the switch of the repeller, hang it on your body or other equipment in the right place, and the repeller will automatically protect your area. Easy to CarryThe insect repellent diameter 5cm, thickness 1.35cm, weighs only 30g, small size and easy to carry. The portable mosquito repellent can be hung on your clothes or bag and used for outdoor activities. 2-3 hours to fully charge; a full charge can be used for 2-3 days. Safe to UseThe portable intelligent pest repellent is made of Made of environmentally friendly ABS resin, environmentally friendly, non-polluting and 100% safe for your family and pets for long-term use. Can replace dangerous chemicals. Outdoor and IndoorThe mini electric mosquito repellent is suitable for outdoor or indoor use, can be used for outdoor adventure, camping, walking in the park, walking the dog, home, garage, warehouse, office, hotel, restaurant, supermarket and other places, all can effectively prevent mosquitoes, insects and rodents from approaching.