Features1Solar Powered: Highly efficient 20W solar panel power supply, no need no external power supply, environmentally friendly and energy saving. 2Ventilation Effect: The powerful exhaust fan effectively purifies the air and provides a comfortable and healthy indoor air environment. 3High Stability: The solar exhaust fan comes with foot pad, which can be firmly placed on the ground, not easy to slide or fall over, increasing the safety and stability of use. 4Silent Operation: The exhaust fan runs quietly and will not disturb your rest or work, suitable for RVs, greenhouses, pet houses, etc. 5Long Lasting: Made of ABS, monocrystalline silicon material and technology, the fan kit can run stably for a long time and reduce the cost of maintenance and replacement.SpecificationItem Type: Solar Powered Exhaust FanMaterial: ABS, monocrystalline siliconSolar Panel Size: Approx. 14.5x14.5cm/5.7x5.7inProduct Power: 20W (No power storage function)Fan Size: Approx. 12x12cm/4.72x4.72inApplication: RV, greenhouse, pet house, etcFeatures: Portable, no noise, high efficiencyPackage List1 xSolar Panel 1 x Exhaust Fan 1 x User Manual