1. ​ and Energy Efficient: The USB fan functions efficiently when it is connected to a solar panel, providing an energy saving solution that is ideal for environmentally conscious users.
2. Adaptable Speed Control: The fan's operation is dependent on the sun's brightness. It operates quickly under strong sunlight and slows down or stops depending on the sunlight's strength, giving an adaptable speed control.
3. User Friendly and Convenient: Solar radiation generates heat causing the fan to ​, venting and cooling in time. It saves the trouble of wiring, resulting in a safer, more convenient user experience.
4. Versatile Powering Options: While the fan doesn't have a rechargeable battery, it can be powered through a power group for nighttime use, meeting the usage needs in most situations.
5. Broad Applicability: This solar panel powered fan is suitable for a variety of settings, including pet houses, chicken coops, truck cabs, RVs, and camping ventilation, demonstrating itswide range of practical applications.

Spec:
Item Type: Solar Panel Powered Fan
Material: Monocrystalline silicon, PET laminate, iron
Weight: Approx. 330g/11.6oz
Rated Power: 5W
Maximum Power Point Operating Voltage: 5V
Open Circuit Voltage: 6.5V
Short Circuit Current: 1A
Maximum Power Point Working Current: 0.8A
Irradiation Ratio: 30000

How to Use:
Firstly, unfold the solar panel and direct it towards the sunlight. When it's connected to the solar battery panel, the fan will start working. It can also operate independently by plugging into a computer's USB port.

Package List:
1 x Solar Panel
1 x USB Fan

Note:
No power storage function