Xiaomi Smart Air Purifier 4 Pro Manuel D'utilisation page 6

Installation
Placing the purifier
For optimal performance, make sure the distances
between purifier's air inlets and other objects
such as walls meet the requirements as suggested
below.
2 0 c
m
Note: It is recommended to keep doors and windows closed for a better purifying effect when using the purifier.
Connecting to an electrical outlet
Connect the power cord to the power port at the
bottom of the purifier and then plug it into an
electrical outlet.
m
2 0 c
2 0 c
m
5