Portable Gas Analyzer Multicolour

Portable PM2.5 detector with compact size and light weight is very easy to carry and operate. It can display PM2.5 concentration and expression level at the same time. It's suitable for household indoor, hotel, vehicle, office and natural environment. Features: Portable detector for detecting PM2.5. Continuously monitor the PM2.5 concentration in the surrounding environment. Remind you to go outside and breathe fresh air if the PM2.5 concentration is too high. Suitable for indoor, office space and air quality inspection. LCD display with backlight, easy to read. The signal light will indicate the PM2.5 levels in Green, Yellow, Red colors for