: With the help of Votexair technology, you can comfortably stay in the living room without second smoke, pet dander and hair and carbon monoxide when you use the fireplace : Dont worry about dust and pollen when you stay in the bedroom where bedding, furniture and potted plants are. Thanks to the AirSight Plus technology, the laser dust sensor scans the surrounding air for airborne particles, continuously updating the PM2.5 display : With the patented ARC Formula technology, Core 400S-P is the perfect air purifier to remove any odor from VOCs in the kitchen. Youre left with only clean, crisp, fresh air : Turn on Auto Mode and the air purifier will automatically adjust the fan speed setting for you and update the display to keep you informed. Even though you walk into the basement, you can feel fresh air without dust and odor