2.
Unpacking
Open your box and inspect that the contents are intact
(nothing broken) and complete (nothing missing). Inside
you should find the following:
Particle Detection Sensor (PM2.5 / PM10 / /CO2
/ Temperature / Humidity 5-In-1)
Table: Package content
If any component is missing from the package, or broken,
please contact our Customer Service department to
resolve the issue.