3-stage filtration system: The HEPA air purifier captures air particles as small as 0.3 micrometers with its combination of pre-filter, activated carbon filter, and true HEPA H13 filter, achieving a 99.97% purification rate. 3 adjustable fan speeds: Choose manually from 3 fan speeds or let the auto mode adjust the fan speed automatically based on the room's air quality – an effortless way to keep the air healthy. Healthy air provider: The home air purifier captures pet hair, pollen, allergens, smoke, odors, and dust from the air to create a healthy environment for you and your family. Quiet operation: With an adjustable sleep mode at a noise level of only 25 dB, you can enjoy undisturbed and peaceful sleep. High-efficiency air cleaning: To keep your space cleaner and the air fresher, the home air purifier circulates air faster in rooms up to 30 m² with a CADR rating of 250 m³/h. Real-time air quality monitoring: The professional monitoring sensor detects air quality in real-time near the control panel and filter, accurately displaying the air quality with a value and corresponding color for easy checking. 12-hour timer: Select the desired operating time from 2, 4, 8, and 12 hours, allowing the air purifier to automatically turn off after the specified duration – ideal for when you're on the go or sleeping. Product dimensions: 22.5 x 38.0 x 22.5 cm (WxHxD) / Weight: 2.77 kg.