Healthy air always With smart air and humidity control VitaShield IPS & NanoCloud Dual sensors 3-step humidity setting 3-step humidity setting adjusts humidity to your liking 1/4/8 hour easy-to-set timer 1/4/8 hour easy-to-set timer Healthy air protect/alert Healthy air protect alert gives you a timely warning when to replace the filter. When the filter is not replaced in time, the appliance stops functioning to avoid running with no effect when the filter is full. It is your assurance of healthy air always. Superior VitaShield IPS with German technology Superior VitaShield IPS with German technology effectlively filters out harmful gases (formaldehyde, toluene and TVOC etc.) and pollutants ( ultrafine particles, allergens, bacteria and viruses) with a size of >0.02 micron. * Auto mode ensures hassle-free functioning. Auto mode ensures hassle-free functioning. Smart air and humidity control purifies and moistens air Smart air and humidity control purifies and moistens air 3-step LED indicators show air quality level clearly 3-step LED indicators show air quality level clearly Dual sensors give clear feedback on air quality and humidity Dual sensors measure and control air quality and humidity and give clear feedback on air quality and humidity Child lock prevents unintended changes in settings Child lock prevents unintended changes in settings. lower speed & noise level in sleep mode with all lights off Product turns down fan speed and noise level in sleep mode, all lights on products are off. 5 settings to give you ample choice in fan speed. 5 settings to give you ample choice in fan speed.