It is environmental protection product, utilizing physics method instead of drug ,adopting bionics principle, imitating the light of baby抯 skin. it lures the mosquito strongly and kills fast, also carbonize and sterilize. It almost nonluminous, nonpoisonous, odorless, has not any pollution, does not stimulate people's eyes and does not influence people to sleep . Working Environment: 50癈, Relative Humidity < = 80%