Long Time To Use: With a built-in 1200 mah battery, this air quality meter can work continuously for 9-10 hours and fully charged take 3-4 hours. With high capacity battery and type c cable, you could take it around your home, office, school, hotel or car as needed.
High-performance chip: Accurately capture the weak current generated during the electrochemical reaction process. Accurately calculate the measurement results of HCHO