Description:A15F is an air quality monitor for real time monitoring of formaldehyde (HCHO), a colorless carcinogenic gas. This device is widely used in homes, shopping malls, offices, vehicles, stations etc.
Feature:1. Formaldehyde (HCHO) concentration measurement
2. Temperature/humidity measurement
3. Concentration grading emoticons
4. Bi-color LED backlight
5. Low battery indication and auto power off