Primary purification can purify floating particles in the air, such as hair, pollen, and dust. High-efficiency purification (HEPA) can purify tiny microorganisms, and PM2.5 particles. Three-color Status Indicator, Blue - excellent, Yellow - good, Red - bad Built-in negative ion generator, can continuously produce negative ions. Convenient: One-button switching of multiple working modes, simple operation. Connect to DC_ 5V power supply with USB cable, makes it more convenient to use. Starting on the car power supply, the product will start automatically, eliminating tedious operations. Water cup-style design, Delicate and space-saving, it can be easily placed. Product Name:Car Air Purifier Input Voltage:DC_5V Rated Power:About 3W Applicable Space:Less than 5m Purification Efficiency:10m/hour Effective Purification:PM2.5, PM0.3, Formaldehyde, TVOC, Smoke, , Pollen, Dust Filter size:65.5xH26.5mm Fan Working Noise:less than equal 52dB Power Supply Port:Micro-USB Working Temperature:-10-65 Tips:The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Colour:As Shown Material:Aluminum alloy + ABS Package Contents: 1 * Car Air Purifier Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.