Exceptional Purification Power: Effectively purify up to 232 sq ft thanks to a high CADR of 150 CFM. Actively purifying five times per hour, even a 581 sq ft room can enjoy consistently fresh and clean air every 30 minutes. Smart & Cost-Effective: Enjoy hands-free control with Alexa and Google Assistant via voice commands, making it easier than every to manage your air purifier. App lets you remotely monitor, record data, and more.Note: 5GHz Wi-Fi networks not supported. Intelligent Auto Mode: Auto Mode allows for automatic level adjustment, offering more intelligent and energy-saving air purification. Smart sensor help to set an ideal fan speed based on changes in air quality, while a color changing indicator keeps you informed.