12V built-in battery fan charging fan 16

1. Intelligent emergency fan in case of power failure
2. Power: 220V~240V ac, 12V dc, 50HZ/60HZ, 15W
3. With lights and 3-speed regulation 
Shake your head from side to side
5.2 rechargeable batteries are included in the fan
6. Alternating current and direct current can be automatically converted
7. Battery overcharge protection
8. The battery can normally work for 2-5.5 hours when fully charged
9. Material: ABS and PP plastic