Fully humidify, purify air and monitor air quality. Kill bacteria through UV-C ultraviolet light, H14 HEPA filter bacteria and viruses efficiently, built-in air quality and relative humidity sensors, while monitoring PM2.5 concentration and measuring environmental humidity to activate the humidification function, bringing you fresh and moisturized air . 1. UV-C ultraviolet light can effectively kill bacteria in the air 2. H14 HEPA filter with a diameter of less than 1 micron, can filter 99.995% 0.3 micron airborne particles, 0.1-0.25 micron bacteria and viruses 3. Built-in air quality and relative humidity sensors to monitor PM2.5 concentration and measure environmental humidity 4. Equipped with a humidifier, which can be operated independently; set automatic mode or 1 to 3 stages of humidification spray to add moisture around you and make it cooler 5. Up to 9 wind speeds and 3 quick modes can be adjusted 6. Leafless design, fashionable and safe 7. IoT smart advantage | execute preset mode based on weather 8. APP/remote control/light touch power button-3 methods, simple operation 9. Support Google Assistant, Alexa voice operation