Xiaomi Smart Air Purifier 4 User Manual

4
Product Overview
Display Instructions
Power Button
Mode Switch Button
Temperature
Humidity
PM2.5 Value
Mode
Coarse Particles Indicator
Wi-Fi Indicator
Negative Ion Indicator
Air Quality Indicator
The indicator will display green, yellow,
orange or red according to the PM2.5
value.
025
F
77
Automatic: Automatically switch modes
according to the indoor air quality.
Sleep: Ultra-low noise for a comfortable
sleeping environment.
Low speed
ExcellentGoodModeratePoor
Medium speed
High speed
Manual: Set and save the coverage
area in the app to adjust the purifying
efficiency.
Green
Yellow
Orange
Red
1-20 μg/m
3
21-35 μg/m
3
36-55 μg/m
3
>55 μg/m
3
The negative ion function is enabled by default. The purifier can generate
negative ions when it is working, and then the negative air ions (NAI) are
produced through the reaction between the negative electron and the oxygen
molecules. NAI is very good at trapping certain air pollutants.
The function can be enabled or disabled in the app. When it is enabled, the
negative ion indicator is on; when it is disabled, the indicator is off.
Note: Coarse particles have an aerodynamic diameter
ranging from 2.5 to 10 µm (PM10–PM2.5). Examples of
coarse particles include dust, pollen, spores, and fly
ash.

Xiaomi Smart Air Purifier 4 Specifications

General

Ionizer	Yes
Efficiency	99.97 %
Noise level	64 dB
Air purify rate	400 m³/h
Number of speeds	-
Noise level (night mode)	32.1 dB
Suitable for room area up to	48 m²
Control type	Touch
Display type	OLED
Product color	White
Particle filtration	0.1 µm
Filtering capability	Cigarette smoke, Dust mites, Pollen
Power consumption (max)	- W

Weight and Dimensions

Width	250 mm
Height	555 mm
Weight	5600 g