Powerful HEPA removal curve reduces PM2.5 particles Pre-filter removes dust, lint, fiber hair and pet fur effectively Automatic power on function ensures energy efficiency Are you still suffering from allergic. Family member with severe sinuses. Do you love keeping pets, but odor of their body keeps wafting around the room. The odor of oily fume after cooking spreads to the whole room. At this time, you must need a solution that can quickly help you solve the problem of terrible air. To know that cleaner, healthier air is powerful, it can transform the way we feel, think, work and play. Improve our life quality and health. Even indoors, we still have to prevent outdoor air pollution, especially the culprit of air pollution - particle pollution, will also spread indoors. Considering that there are many family members and a large living area, your family deserves this household air purifier with low noise, high filtration level and large purification area to help you quickly improve the air quality and protect the healthy breathing of your family. Powerful PM2.5 removal curve: within 10-minutes, PM2.5 particles can be reduced from a concentration of 10,000-μg/m³ to less than 10-μg/m³, covers 4555 sq. ft. First layer: pre-filter -filter out dust, lint, fibers hair and pet fur Eco-friendly, energy-saving and decrease electricity bill and the possibility of ozone generation-second pollution, it has automatically power on function to start purification according to pollution and automatically shut down mode when detecting AQI to a normal, safe value, on average, it uses less than 1 kWh electricity a day, equipped with a laser dust sensor to detect PM2.5 concentration in the air in real time Considering the room that needs to be purified, the required mode and the special use time, in order to bring you a better experience, it has an easy-to-operate touch panel that allows you to adjust its 5-speed air volume, automatic mode, sleep mode, light switch on to show AQI and different air quality color indicator interface from high-precision monitor, and lock function Our air cleaner has passed quality testing and safety certification: CARB, ETL and ENERGY STAR certification, backed by a US registered lifetime warranty when replacing filters with filter replacement item under this link, replace the filter for 6,000-hours or about 1-year Uses tuya control, you can control your smart air purifiers from anywhere, adjust settings in another room, office or while walking the dog, it is compatible with alexa and google assistant, so you can use the air purifier without lifting a finger, intelligent detection of the application of PM2.5 filter elements Fully certified our air cleaner has passed quality testing and safety certification: CARB, ETL and ENERGY STAR certification, backed by a US registered lifetime warranty when replacing filters with filter replacement item under this link, replace the filter for 6,000-hours or about 1 year Noteplease refer to the instruction manual before use