Product features - UV bacteriostasis /Three layers filter / anion purification/ cup design /intelligent control/digital display. Purification & - Combining prevention with thorough purification, Ultraviolet bacteriostasis/High efficiency filtration/Anion purification. UV effective clean from source - Led-uvc uv shortwave does not hurt people, people can be present when the UV function is turned on. Three color light Air quality at a glance: Green-Good air quality, Red-Poor air quality, Orange-Air quality is average. Real-time digital display of in-car air quality - Built-in air quality sensor through the digital display of air quality. No manual operation is required for starting and stopping - Connect the purifier power supply, it start working when it is powered on, and it stop working when it is powered off. Not taking up space, Not afraid of inversion - Designed according to the position of the cup holder in the car, easy and stable installation. 100% . Product name:UVC air purifier/air sterilizer/air eliminator/air cleaner/air improver Sound:Less than 25dB Effective Area:10m² Air purifier air volume:50 m³/h filter type:Composite filter Negative ion concentration:5000000+ Size:75mmx185mm Colour:Black Material:aluminum ABS Package Contents: 1 * UVC 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.