1. Made of high quality material, more . 2. Fine preliminary Filter traps larger particles in the air like dust, hairs, pet fur, lint and more 3. High-efficiency activated carbon filter absorbs household odors from pets, cooking, smoking, wildfire, and harmful VOC's 4. Premium H12 grade true HEPA filter captures 99.97% of airborne particles down to 0.3 Micrometre in size 5. Easy to replace and disposable, no tools required. replace filters every 6 months for optimal performance. Product name:Car air purifier Working current:300mA Applicable area:less than equal 10m³ Power supply mode:USB Working voltage:5V Negative ion power:1W Negative ion concentration:5x106 /cm³±10% Negative ion function: 1. click on the power on to open the fan 1 gear while opening negative ions and lights; 2. Then click the fan for second gear: 3. Click again to turn off. Night light operation:the power on state, long to turn off the light, on the light Colour:Gray Material:ABS/electronic components Size:70x70x130mm Package Contents: 2 x Air Purifier 2 x USB Cable 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.