New Hepa-Tech And 360°Purification Performance With Hepa Filter, Traps Smoke, Pollen, Odor, Dust As Small As 0.3 Microns, Purifies The Air Faster, Great For Your Health. 

3 GEAR WIND SPEED + SLEEP MODE
The operation is simple and the low speed gear can be opened for a long time to keep the air clean.
1.When the air quality is not good, you can activate medium and high gear to achieve fast purification.
2.Wind speed: 1-2-3-sleep-1-2-3 cycle
3.Under the sleep mode, sleep icon is half-way bright while other lights go out. 

INTELLIGENT SLEEP + TIMING MODE
Low noise motor, combined with intelligent sleep mode, 1-8 hours timing function Enjoy clean air and deep sleep.