1)PM 2.5 real-time display
2)1-2-3-4 speeds;
3)Filter replacement indicator;
4)Air quality indicator(red/ amberamber/green light) ;
5)Child lock;
6)Sleep mode,Smart mode and Timing;
7)Composite filter including(Pre- Filter,Hepa filter ,Active Carbon filter Photocatalyst);
8)Touch panel+remote control
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