Keep your home environment fresh with the LG Signature all-in-one air purifier and humidifier. Featuring SmartThinQ Wi-Fi technology, you can check on your household air conditions with your smart phone. You may also control it using voice commands with Amazon's Alexa or the Google Assistant. This powerful unit has the ability to sense and identify the amount of particulate matter in the air using its PM 1.0 sensor. The intuitive watering system infuses up to 18 liters of moisture in the air to create a comfortable humidity level. With the Rain View window, you can enjoy a visualization of the humidification process.