The air purifier is compact, ultra-quiet, extremely efficient, and convenient thanks to its built-in Wi-Fi control. It provides you and your loved ones with filtered, clean air for healthier living. Its active Carbon+H13 HEPA filter quickly traps odors, dust, pet dander, and other airborne pollutants as small as .25 microns. It’s built-in Filter Health Indicator lets you know the optimal time to replace the filter. The timer feature provides convenience and energy efficiency. Quickly filters a room size up to 667 sq. ft. Four unique fan settings let you select the perfect speed. The Auto Mode automatically selects the optimal fan speed based on current air quality. The timer feature lets you adjust the runtime in segments of 1-8 hours and the sleep mode provides extra quiet operation and a dimmed display, letting you sleep easily while you breathe easily. Smoke/Pollen/Dust CADR rating of 183.8 cubic feet per minute.