Features : 1. The solar panel is monocrystalline silicon 7V / 2W. Fan adopts German imported movement 2. American ST main control chip Japaneseautomotive vibration sensor. 3. Brushless motor. 4. High-efficiency coated plate multiple filtration system: activate carbon filter layer + photocatalyst filter layer. 5. You can add aromatherapy and incense balls. 6. Unique slider experience. 7. Left button controls the switch of the light; 8. Right-click to control four modes: The first mode: (Blu-ray) Start with the vehicle: open the door to start working and stop working about 2 minutes after standing still. The second mode: (red light) As long as the battery has power it will always work. The third mode: (green light) Start with the vehicle: open the door to start working after closing the door the fan stops working The fourth mode: the product turns off after 2 flashes of red light Note: Solar energy is only for auxiliary charging. The main power supply mode of this product is power supply. Specifications: Colors: White black Weight: 450G Use area: 8-12m Power supply: car charger solar battery Rated voltage: DC5V Power cord length: 1.3M Solar panel size: 62mmX98mm Purification method: HEAP activate carbon Size: (LXWXH) 180 * 150 * 50mm Smart car charger: (two ports) 5V / 1A; 5V / 2.1A Input power: 4.5W Solar battery capacity: 1200MA Function: Eliminate odor filter dust absorb TVOC gas aroma function includes: 1 x Car Air Purifier "