Levoit LEVOIT Air Purifiers for Large Home Bedroom 166m², CADR 400m³/h, Alexa Enabled, Filter with PM2.5 Intelligent Air Quality Sensor, Auto Mode,, Removes Pollen Allergy Dust Smoke Pet

High Efficient Air Filtration- From the intuitive app with its wide range of features to the sleek design, the Core 400S filters your room in a matter of minutes

Large Purification Area 360°- Air intake optimal for living room, office, kitchen, bedroom. The powerful HEPA technology brings in air from 360°, which is why it can clean your 166㎡ room once an hour and 83㎡ room 2x an hour

3-Stage HEPA Filter- The Core 400S not only traps particulate matter like dust, fur, lint and hair down to the tiniest particles, zero point three microns! How big is a micron? A human hair is seventy microns thick! You'd need to magnify 500 times to see a single micron

PM-2.5 Intelligent Air Quality Sensor- The AirSight Plus laser dust sensor detects the amount of PM2.5 particles in a given space (µg/m³).PM2.5, also known as ""fine particles"", are so small that they stay in the air longer than heavier particles such as dust and mould

Sensitive Auto Mode, Set I? and Forget It- With AirSight Plus technology, the air purifier measures the quality of the air and automatically adjusts the fan speed accordingly. It reads the air - so it can clean the air. When you switch it to high fan speed, it can cools down your room in the summer and brings you comfort