Xiaomi Smart Air Purifier 4 EU, PCARD 400 m3/h, MI Home, OLED Display, Night Mode, 28-48 m2 coverage, BHR5096GL, White High efficiency filter PCADR 400m3/h & FCADR 150m3/h, removes 99.97% of pet hair, dust, pollen, smoke, TVOC and fine particles up to 0.3 microns (less than 1% of the diameter of a hair). It takes only one hour to purify a 130 m2 room. Smart Control Control from your mobile phone with Mi Home APP to build a smart home scene with other Xiaomi smart products. Works with Google Assistant and Amazon Alexa for voice control. High-precision sensors PM 2.5 sensor for monitoring fine particles of air pollutants; Humidity and temperature sensors to detect air humidity. OLED touch screen The air quality index of PM 2.5 pollutants can be clear at a glance; Temperature, humidity and operating status displayed in real time; 6 purification modes for optional operation, automatic / favorite / sleep / low / medium / high; Detachable air outlet grille The upper air outlet grille can be disassembled for dust cleaning after a long period of inactivity. Negative ion generator Negative ions help clean the air and make you feel like you are in a forest or near a waterfall, which improves emotional well-being. Silent operation The operating noise is only 32.1dB, like a whisper;