1. Humanized design, low noise, no open flame, no damage to the battery. 2. Dual use for heating and cooling, angle adjustment, silent operation, quick air outlet, no installation required 3. Alloy heating wire, low power consumption and long use time 4. Strong double-sided tape, remove the protective film, easy to install 5. Uses: Defrosting and defogging, both cold and warm 6. Current: 12.5A / 6.25A 7. Power: 150W 8. Voltage: 12V / 24V 9. Power mode: Cigarette lighter 10. Material: ABS + fan 11. Power cord length: About 1.5m 12. Fixing method: Put it on a non-slip mat, or fix it with double-sided tape 13. Size: About 15.5x7cm 14. Weight: 290g