1. Material: metal 2. Number of blades: 4 blades 3. Wind speed gear: two-speed adjustment 4. Rated power: 8W/15W 5. Input voltage: 12V/24V 6. Applicable models: vans, cars, trucks, excavators, engineering vehicles, etc. 7. Black wire connects to the positive pole and white wire connects to the negative pole 8. Can provide soft wind or strong wind, low noise, very suitable for cooling and demisting 9. 2 gears of low speed and high speed, you can freely control this fan 10. Size: 6 inches 20x20 cm, 8 inches 23x23 cm
