Agrass formaldehyde detector household test paper formaldehyde instrument indoor air quality professional self test box

Multi functional formaldehyde detector. Professional testing, always protect family health. It can make the sensor work at constant temperature with the change of temperature difference, and overcome the influence of large temperature difference on detection. Double kilobit detection, shining mirror screen, led high-tech display. Close to the three sides of the sensor, the air real-time circulation convection detection is more reliable. Professional instruments, multi environment detection, easy to carry.