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 & 5000mAh in total that can support 5-50 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.. Product Description CyberDax 14 Inch Solar & AC Dual Charging Fan CyberDax Portable Rechargeable Fan Features: Indoor &outdoor use bold safety shell pure copper brushless motor quiet working design 12 wind power gears charging indication large capacity for 5-50 hours of working USB output power supply for an emergence phone charging, a usb night bulb lighting and etc Easy to assemble (when you receive the package, you need to install the fan in a few steps with the manual or our video tutorial) Easy to carry with a strong power supply Accompanying all the way and make a cooling summer for you This CyberDax solar fan can be widely used almost everywhere in your life, such as table desk bedroom dining hall office kitchen fishing camping Dual Charging Methods 130 degree rotation Easy to adjust the fan body and get the best angle you want. AC adapter charging The AC adapter is included in the package and can charge the fan easily in a short time. Solar panel Monosilicon 15V 20W with a bracket that can support the panel on a good position to receive sunshine when charging outside . Longer working hours and stronger wind power Power Supply Mode Solar Panel /AC Adapter Battery Capacity 11.1V/ 5AH Li-ion Battery Solar Panel Monosilicon 15V 20W Working Hours 5-50 Hours when the battery is fullly charged Electric Machinery 12V Brushless DC Motor AC Adapter Charging Time 3-4 Hours Fan Body Size 15*7.5 Inch Package Includes Fan body parts (easy to assemble), Solar Panel and bracket, AC adapter, Manual and a small gift WIDELY USE Both for OUTDOORS and INDOORS.