Feature:1. 25W SOLAR POWER SUPPLY: This solar fan uses a 25W large capacity solar panel, which is powerful enough compared to other 15W or 20W solar fans. Prepare a good solar fan for your cute plants or pets. Green energy, green earth.2. 3500 RPM HIGH SPEED FANS: Some solar fans are too weak for air circulation, especially during very hot summers. Therefore, we increased the speed of these two fast speed fans to 3500 RPM, which is strong enough to suck in air or cool from heat.3. EASY TO INSTALL: We adopt a fan integrated design with an installed front panel. Simply hanging the fan on the wall or window space, and connect the cable of the solar panel to start working, saving time and making operation easier.4. PREMIUM CONVERSION EFFICIENCY: The single crystal solar cell has a premium conversion efficiency of up to 20%. The solar panel of the solar fan is mainly made of single crystal silicon. The double sided metal protective net on the double fans is solid and reliable, and the fan provides uniform airflow and effective ventilation.5. FOR OUTDOOR AIR CIRCULATION SOLUTIONS: We know that some outdoor spaces may not have direct 110V AC power supply. Therefore, we have brought this solar fan for outdoor air circulation, which is very suitable for outdoor chicken houses, greenhouses, sheds, pet houses, dog homes, RVs, cars, attics, and more.Specification:Item Type: Solar Panel Fan KitMaterial: Monocrystalline SiliconMaximum Power (pmaximum): 25WOpen Circuit Voltage (VOC): 20VMaximum Power Voltage (vmpp): 18vShort Circuit Current (isc): 1.5AMaximum Power Current (impp): 1.1AOutput: Dual USB, Type c, DCFeatures:1. The efficiency of single crystal solar cells can arrive up to 20%.2. Outdoor solar panels can effectively convert sunlight into electricity.3. Maintaining air can help you eliminate pet odors, etc.4. Equipped with rich interfaces, it can be connected to an external power bank or battery to keep the fan running at night.5. Epoxy resin surface lamination, IP65 waterproof, improves durability.6. Portable indoor use.7. Suitable for greenhouses, pet houses, tree houses, and RVs to maintain a comfortable temperature level..Package List:1 x Solar Panel 1 x Exhaust Fan 1 x Cable Note:1. During use, try to avoid the solar panel being hit and squeezed by heavy objects as much as possible to avoid affecting the normal operation of the solar panel.2. After use, unplug the charging wires on the device and solar panel in a timely manner to avoid short circuits and damage.3. When using solar panels, it is recommended to choose a place nearby that is free of high buildings, trees, and other obstructions to ensure charging efficiency.4. If there is dust and dirt on the surface of the solar panel, please use a soft and clean cloth to wipe it and avoid using chemicals to avoid damaging the solar panel.5. When using ventilation fans, the general rules for using ventilation fans should be followed to avoid contact with water and other liquids to avoid short circuits.6. The solar panels have no power storage function.