Surface Area: Cleans 5,650 ft² in One Hour with 4 Filters included Specs: Dual-way Air Oulets, Al Tracking, Air Quality Monitor with 7 Sensors, Heater & Fan Colour: Gold Manufacturer's Details: World's First Smart Dual-Flow Air Purifier: Dreame’s exclusive Dualflow Tech increases purification efficiency by 33%. Dual upward and forward outlets offer 400m³/h of clean air, covering up to 100㎡ quickly and evenly. World's First Al Tracking Air Purifier: The millimeter-wave radar detects your movements instantly and adjusts airflow within a 197in* range and 120°* coverage—automatically directing clean air between multiple people. 4-Layer Filtration for 99.99% Clean Air: Captures particles as small as 0.1μm, and cleans 99.99% of dust, pet dander, pollen, smoke, and more—targeting up to 14 indoor pollutants for healthier air. Precision Detection with 7 Sensors: 7 high-accuracy sensors monitor air quality live. You can view data on the LCD screen and easily control modes, humidity, and temperature using the intuitive Dreame App. Track Air Purity in Real Time: Enjoy clean air at a glance with an interactive LCD screen display that shows precise levels of air pollutant data. 3 Modes for Every Need: Choose Auto, Comfort, or Pet Mode as needed. Pet Mode boosts airflow to capture hair—perfect for pet homes. Fine-tune fan speed and LCD screen brightness for a personalized experience. Quiet Comfort During Night: In its fastest mode, the Purifier ensures a quiet 32dB(A)* operation without any noise disturbance, day or night. Designed with pets and kids in mind, it will not disrupt their sleep. Intuitive Dreame App and Intelligent Voice Control: Manage your Air Purifier hands-free with Dreame App and control the Purifier with voice commands without the Internet connection. 3-IN-1 Air Purifier: Multi-functionalities include cooling system, heating system and air purifier to enhance usability and custom air comfort in any weather. Seamless Movements Around Your Home: Hidden wheels allow the Purifier to glide effortlessly across your living space, delivering fresh air wherever needed.