In the hot summer, it is the season when mosquitoes are rampant. They accompany you from time to time, they can't hit you, they can't chase them away, and when you don't pay attention, "kiss" you, not only make the It's a pain in the ass, and the spread of disease is really nerve-racking. Mosquito coils, electric heating mosquito coils, liquid mosquito coils and other products that are commonly used at present are all based on the basis of pyrethroid insecticides. Although these are very small in toxicity, they cannot be completely non-toxic and cannot be truly green environmental protection. This product uses acoustic resonance technology to produce low-frequency pulsed sound waves with the characteristics of mosquitoes. Mosquitoes are particularly sensitive to the sound waves, which can make mosquitoes feel extremely uneasy and irritable, making them afraid to approach the human body, so as to achieve the purpose of repelling moths. This product is a sonic mosquito repellent, without radiation, the decibel of the sound wave is lower than the normal human body to accept below 45 decibels, and has no effect on the human body, so this product is a real green and environmentally friendly product. Ultrasonic mosquito repellent is a product that achieves the effect of repelling biting female mosquitoes by imitating the frequency of dragonflies or male mosquitoes, the natural enemies of mosquitoes. It is safe and non-toxic, completely harmless to humans and animals, and has no chemical residues. It is an perfect companion for home travel, fishing, barbecue, camping and cooling. Pest Type: Mosquitoes Pest Control Type: Electronic Ultrasonic Pest The mosquito repeller uses an advanced technolgy insect repellent that makes outdoor living and activities more enjoyable from the annoyance of mosquitoes , it work to help protect you while you are fishing, camping, hiking, camping, jogging, on the golf. How to use: Open the battery cover, into a CR2032 coin cell battery with th