Description: Smart air purifier starts and closes along with car. When the vehicle starts, it automatically opens, and when the vehicle flameout delays 180 seconds, it automatically closes, or it can be closed at regular intervals. It supports multiple charging methods, such as solar energy and USB power supply. With built-in ring filter and 5-fold filter purification design, this air purifier can filter large particles of dust, hair, pollen, high-concentration negative ion generator in the air, remove strange smell, and quickly purify the air. The interior is equipped with an aromatherapy tank, so it is an air purifier as well as a car aromatherapy. Made of high quality ABS and PP material, this air purifier is durable. Length of the air purifier is 18.5cm, width is 17cm, height is 6cm. It is suitable for car, auto, home, desktop, office, etc. Item Name: Air Purifier Material: ABS,PP Power Parameters: DC5V Rated Power: 2W Air Volume: 20M3/H Applicable Area: About 10M3 Color: Black, Red, Blue, Silver Battery Type Capacity: 2000mAh (Battery Included) Working Temperature: -10 Celsius - 80 Celsius Amount of Negative Oxygen Ions: -20 Million Pieces/m3 - 20 Million Pieces/m3 Features: Compact, Multi-function, Timing Size Details: Size: 18.5cm x 17cm x 6cm(Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension differences due to different manual measurements. Package Includes: 1 x Purifier 1 x Filter 1 x USB Power Cable 2 x Aromatherapy Sticks 1 x Non-slip Mat 1 x User Manual