Particulates pollution is invisible killer in Autumn and winter

In autumn and winter will aggravate the degree of indoor air pollution, as the elderly susceptible children suffer.
Due to the relatively closed indoor environment, will continue to accumulate a large number of bacteria,
pet hair, second-hand smoke and dust, living in such an environment, it is easy to produce respiratory diseases.
Now we need the particle counter to check the fine particulate matters in the air.
Handheld particle counter can check  PM2.5 and PM10. also can check the temperature and humidity in the air.
Use it in home.  to avoid sick and give you and your full family a safe and health place.