Hcho Detector Air Quality Detect Machine Home Circumstance Tester Clear/Black 79 x 95 x 23millimeter

Description: Modular unit design, hot swappable sensor components, easier to maintain
Formaldehyde detection sensor uses a brand new V-4 amp module to provide <150uV low-temperature drift performance
Rapid data output capability, all reading data can be recorded every 4 seconds in extended TF card
More accurate by comparing other competing products using built-in probe and compensation method to calculate temperature