Is the principle of insect repellent useful?

It is useful in principle. The outdoor eco-environmental mosquito killer series produced by dao insect repellent with platinum metal catalysis as its core technology is a biomimetic biomimetic biosynthesis that uses liquefied gas or similar gases as raw materials, through platinum metal The catalytic oxidation of the catalytic converter can generate heat, moisture and CO2, which can produce a bionic effect of the metabolism of dozens or hundreds of people.