Mijia by Xiaomi Air Purifier 4 Compact for home & bedroom |230 m3/hr CADR covers 400 Sq.ft.|3stage HighEfficiencyFilter|100 Sq.ft in 6 mins|Smart control|Realtime filterusage|1yr replacement warranty

HIGH-EFFICIENCY 3-IN-1 FILTRATION TV Rheinland Allergy Care Certified system captures 99.97 of airborne particles down to 0.3 micronsincluding dust, pollen, pet dander, smoke, and common household odorsfor cleaner, healthier air. COMPACT YET POWERFUL PERFORMANCE Delivers a Particle CADR of 230mh with 360 intake, efficiently circulating and purifying spaces up to 172291 sq ft or up to 517 sq ft based on 2 ACPH, making it ideal for bedrooms, nurseries, and home offices. SMART AUTOMATION REAL-TIME MONITORING Features a built-in particulate matter PM2.5 sensor that continuously monitors air quality and automatically adjusts fan speeds in One-Touch Auto Mode, complete with an intuitive 4-color real-time LED indicator. ULTRA-QUIET ENERGY EFFICIENT Operates at a whisper-quiet 20dB in Sleep Mode with turn-off display lights for undisturbed sleep, consuming as little as 27W of power at maximum output for low-cost daily operation. APP HANDS-FREE VOICE CONTROL Seamlessly connects with the Xiaomi HomeMi Home app for remote operation, timer scheduling, and child lock settings compatible with Amazon Alexa and Google Assistant for hands-free voice commands.