DetailsSilent Operation, Night Light - Car air purifier adopts a silent design and runs with lights out, ensuring a deep and restful sleep. Can be used as a night light.Upgraded Air Intake - Car air purifier adopts a new air intake hole design to make the air intake space wider and form a three dimensional circulation purification air path.Multi Layer Filtration - Car air purifier has a multi layer conformance filter, layer by layer filtration, effectively remove PM3.0, hair, PM2.5, formaldehydes and other harmful substances.Automatic Power off - The small room air purifier adopts automatic power off design, which automatically powers off for 3 hours, which can prevent forgetting to turn off the machine when going out.Large Air Outlet - Car air purifier has a large air outlet, which improves the dynamic balance effect, stable air outlet, high output efficiency, and guards your cleanair. Feature - 1. Wide Scenes - Portable air purifier is suitable for a variety of scenes, such as cars,