Specifications:Product Name: Car Solar Air PurifierColor: Black Round/Black Square/White Round/White SquareSize: 180*150*50mmVoltage: 5V DCFit for: 8-12 cubic meter spaceSolar Battery Capacity: 1200mANoise: 35dB Function:1. The solar panel is single crystal silicon 7V/2W. The fan is imported from Germany and is only 35db low noise.2. US ST master chip, Japan OMRON car vibration sensor.3. Brushless motor.4. High-efficiency nano-bactericidal coated board, multiple filtration system: activated carbon filter layer + photocatalyst filter layer.5. Double negative ion purification, the bacterial removal rate is 99% in 24 hours, and the formaldehyde removal rate is 98% in 24 hours.6. Can add aroma, and a fragrant ball.7. Unique slider customer experience. Working Mode:Left button controls the switch of the lightRight-click to control four modes:1. (Blue-ray) start with the car: open the door to start working, close the door for 2 minutes to stop working.2. (Red light) as long as the lithium battery has electricity, it will always work.3. (Green) start with the car: open the door to start working, after closing the door, the fan stops working, and the negative ion stops after 10 minutes of work.4. Red light flashes 2 times, the machine is turned off. Package Included:1x Car Air Purifier1x Dual USB Smart Car Charger1x USB cable1x Brush1x Packing Box