A: the principle of electric mosquito-repellent incense is to pesticides (pyrethrins) into a piece of paper, using the heat of evaporation of pesticides, the general efficacy maintain 6 ~ 8 hours. Will have little impact on the human body, so also no harm.

B: this kind of mosquito ignorance smoke fire products, clean, safe use effect is good. And liquid mosquito-repellent incense in the daily need to switch power supply, there is no need to add or change, easy to use. Defect is just use effect is good, there may be in danger of "excess", but after 4 ~ 5 hours, boiled away pesticides, efficacy, anti-mosquito effect. Half an hour before sleep, is the best time to use electric mosquito-repellent incense. When using Windows and doors closed, people and pet to leave.

We are electric mosquito repellent mat manufacturer ,we make all kinds of best mosquite repellent produtcs, such as electronic mosquito repellent. We use the advanced technology for the production of insect repellent products, make it to minimize the impact on people.