Colzer air purifier is 100% ozone free, which does not equip UV or Ions generator to avoid producing trace amounts of measurable ozone, a harmful air pollutant for the kids, elder and asthma sufferers.
USE SCENE DISPLAY
1). Sleep Mode
Press the mode button to enter sleeping mode, the nigh mode light will remain light, and other indication lights turn off, after 20 seconds, the sleeping light also will be off.
2). 3 Gear Fan Speed
Manual mode & sleeping mode can be chosen, the wind speed will be automatically adjusted to low speed, you can set fan speed (low/medium/high) in manual mode.
3). Replace Indicator
the Replacement Indicator LED will illuminate. After replacing the filters, RESET the Filter Replacement Indicator by press button and holding it for 3 seconds.
Press "Timer" button, you could enjoy its auto-off feature to set turn on/off time. You can set time of 2/4/8 hours when you out of house or sleep. Help save power.