1. Large air outlet, both upper and lower outlets can be adjusted freely, providing a larger heating area
2. Wind speed adjustment, featuring two wind speed adjustment functions, namely warm air mode and natural air mode
3. Rapid heating, capable of quickly increasing the interior temperature
4. Solar panel, with high conversion rate, environmentally friendly and energy-saving
5. Battery box can accommodate 3 18650 batteries (batteries included in the shipment are not included)
6. Power supply method: solar power / power supply from the battery box with batteries