True H11 HEPA Filtration System: This AP02 air purifier is a true H11 HEPA air purifier that captures 99.97% of 0.3 micron airborne particles such as dust, pet dander, smoke, cooking fumes and PM 2.5 air pollution. It's a must-have for getting fresh air. Low Noise Night ModeThis Quite air purifier has three wind speed options when working, and the noise works at 24- 50dB. When working in low power consumption night mode, it is very quiet, only 24dB, you can barely hear disturbing sound, you can sleep all night with our AP02 silent air purifier. Air Quality IndicatorsThis AP02 car air purifier has three levels of air quality indicators in green, blue and red. Green means very good air quality, blue means average air quality and red means poor air quality. You can judge the air quality by changes in the air quality indicators. Compact and PowerfulHigh-efficiency activated carbon filter helps purify indoor air. 'a certain area of 10 square meters, ideal for small rooms, cars, offices, bedrooms, pets, kitchens and other small spaces, but not suitable for large rooms to ensure the best results. Cut : 7.4*7.4*17.1cm. (Use the included data cable to plug in, adapter not included) Note It is recommended to replace the AP02 air purifier filter at least once every 3-6 months, it depends from the air quality, you can judge the level of consumption. We only sell air purifiers, not other items in the picture. En Due to differences between different monitors, the pictures may not reflect the actual color of the item. Due to manual measurement, please allow slight errors in size.