1. Standard configuration: DC motor / Four - speed wind adjustment / Four lighting modes / Charged by a 100mA single - crystal solar cell. 2. Finished product color: Black. 3. Product material: ABS. 4. Battery: 18650 4000mAh lithium battery (2 pieces of 2000mAh). 5. Charging method: Charged by solar cell, can also be charged by a 5V USB charger. 6. Product size: 140x115x140mm 7. Rated voltage: 5V, rated power: 4W (maximum) 8. Color box size: 155 x 120 x 155mm 9. Gross weight: 0.55kg 10. Net weight: 0.39kg 11. Outer box size: AB box with yellow tiles, 24 sets / 330 x 505 x 490mm 12. Gross weight: 14.2kg 13. Net weight: 13.2kg 14. Product features: 1. Four - level wind speed adjustment, from weak to strong wind; Two modes of strong and weak white light + White - orange flashing warning light mode + Orange mosquito - repellent mode; 5V USB output, can charge suitable devices such as mobile phones. 2. Suitable for an area of 2 - 4 square meters, applicable to outdoor tents, home offices, cars and other occasions. 3. Encrypted front and rear grilles, fingerprint - proof. 4. High - strength ABS plastic structure. 5. Can be directly charged by 5V DC or outdoor solar energy, convenient and universal. 6. Multi - angle table and hanging adjustment. 7. Standard USB charging cable.