Ⅳ
.
Structure
1
LCD screen
2
˚C/˚F unit selection button
3
Power ON /OFF button
4
Backlight button
5
USB charge port
6
Ⅴ
.
Symbols
1
Battery icon
7
Temperature unit
2
PM2.5
8
Humidity value
3
PM2.5 value
9
Humidity unit
4
PM2.5 grading emoticons
10
Humidity icon
5
Temperature icon
11
PM2.5 unit
6
Temperature value
