12 Gears: Wind power can be adjusted from breeze to strong to meet your different demands.
High Capacity: six Li-ion batteries built-in, 12V & 4000mAh in total that can support 4-24 hours continuous working.
Dual Charge Mode: this fan can be easily charged by AC adapter within a few hours or by solar panel outside, both for your indoor and outdoor use.
USB Output: it comes with a usb port that can be used as a power bank for your phone power supply outdoors.
Solid Design: the whole body of the fan is made of aluminum alloy and the wind angle can be adjusted 130 degrees rotation..