1.Description : Xiaomi Mijia Air Purifier 4 Pro OLED Touch Screen Negative Ion Air Outlet Home Formaldehyde Removal Low Noise Air Cleaner APP Smart Control 100-240V  2.Features : - All-new powerful wind blowing system, twice the air inlet area, 8330L/min air cleaning speed. - Smart OLED touch screen, air quality displayed with colored light bars directly reflect indoor air quality. - Highly precise la-ser sensor to detect the smallest particles of 0.3μm. - Effective PM2.5/pormaldehyde removal, 99.99% prevent the dispersion. - Mi Home APP remote control, timing switch, check the air quality in real time. - Low to 33.4dB on sleep mode, greatly energy-saving even 24-hour use.  3.Parameters: Item name:  Xiaomi Air Purifier 4 Pro Model: AC-M15-SC Rated power: 50W Rated frequency: 50/60Hz Rated voltage: 100-240V (CN Plug with 2 pins) Noise: ≤64dB(A) Applicable area: 35-60m 2 Size: 275*275*680 mm Weight: about 6.8 kg  4.Note: *There is a little of difference according to manual measurement. *The actual use may be slightly different depending on the specific situation. * Product warranty is only for customers in China , foreign customers cannot be guaranteed, please understand.  5.Package List: 1 * Xiaomi Air Purifier 4 Pro 1 * Filter Element 1 * Power Cable 1 * User Manual