1. Using anti-oxidation alloy heating wire, high heat conversion rate and fast heating 2. Double PTC heating plate, fast heating, faster heat dissipation 3. Imitation aircraft turbine shape, unique air duct mesh cover, long-distance air supply 4. Two-speed adjustment, 1-speed warm air, 2-speed daily wind 5. 360 degree rotation, can be adjusted up and down 6. Defrosting and defogging, both cooling and heating, purifying the air 7. Fixing method: put it on the anti-skid pad, or fix it with double-sided tape 8. With air purification, overheating protection, thermal switch, user-friendly design, low noise, no open flame, no damage to the battery. 9. Material: ABS 10. Power: 130W 11. Voltage: 12V 12. Power cord length: 1.5 meters 13. Product size: about 14 x 12 x 8CM 14. Weight: about 280g net