Product Net Weight : 630g ± 10%
Size : 243*99*325 mm
Battery Capacity : 4000mAh
Input : DC 5V/1A
Charging time : 8-10H
Blowing time : First gear: 5 hours; Second gear: 3.5 hours; Third gear: 2.5 hours
LED lighting time: Strong light: 13 hours; Low light: 50 hours