Shop name:Chong Qing Shuo Yue Ke Ji You Xian Gong Si 1. Made of high quality material, more durable. 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 10m Power supply mode:USB Working voltage:5V Negative ion power:1W Negative ion concentration:5x106 /cm10% 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 press to turn off the light, on the light Colour:Gray Material:ABS/electronic components Size:70x70x130mm Package Contents: 1 * Air Purifier 1 * 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.