Working mode：
Press the first switch --- Turn on the negative ion mode to release 28 million negative ions to purify the air. (Blue light is always on)
Press the second switch --- Turn on the ozone timer mode, Ozone works for 30 minutes/stops for 30 minutes, and turns off after circulates 3.5 hours(the red light is always on)
Press the third switch --- Turn on the ozone + negative ion normally open mode, ozone works for 30 minutes/restarts negative ion work for 30 minutes, and then circulates. (Red light flashes)

Product parameters
Working voltage : 110V-220V 50 hz
oxygen: 120mg/h
Ozone concentration: 2.02mg/m³
Working mode: adjustable in 3 grades
Application area: 21㎡ (inclusive)-30㎡ (inclusive)
Product size: 128*128*45 mm
Weight: 0.22kg
Rated power: 2.5W

Note:
This product is purified by ozone and negative ions. The ozone itself has an odor. Please leave the room when using the machine.
Select the mode when using the machine. After the ozone mode is over, the ozone needs sufficient time(about 30 minutes)to be convertedInto oxygen. If the ozone is smelled after the expected time, open the door to disperse the smell.
The common method: select the corresponding mode when preparing to go out, you can use it regularly at night before going to bed, there will beobvious effect in the morning.