The sleek, space-saving design of the LG Signature Air Purifier will blend seamlessly into your home decor. It cleans and humidifies the air with a state-of-the-art watering system and an advanced filtration system that lasts for 10 years. A lighted sensor alerts you to contaminants &/or changes in air quality & a Smart IAQ Monitoring sends you instant notifications, allowing you to adjust purifier settings.