Specification: Condition: Item Type: Solar Panel Material: Iron Color: As shown in the picture Solar Panel Size: Approx. 14.5x14.5cm / 5.7x5.7in Cooling Fan Size: Approx. 13.5x15cm / 5.3x5.9in Weight: Approx.353g/12.5oz Solar Panel Power: 5W, 6V Power Supply: USB plug 5v Application: Suitable for greenhouses, dog house, trailers, RV and so on Package List:1 x Solar Panel1 x Fan Note:1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Without electric power storage function.4. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Well-Made Quality : The materials of the high volume solar attic ventilator is well built of good quality. The tolerances of the solar vent fan are pretty tight, and it runs reasonably quietly.Features galvanized-steel shutters, aluminum blades, and IP-44 rated to be highly resistant to liquid and dust. Convenient and Portable:The USB cooling fan is powered by a solar panel.Portable, Small Size, Easy to carry around. No Batteries Needed, Silent and Green energy, great for environment. Easy to Install :It's a ready-to-use solar fan for home, shed, garage or RV, outdoor, etc.It could be installed in the gable vent or anywhere in the attic. Efficient in Low Light Condition :The solar attic fan can work automatically at low voltage, the Min Voltage to operate is 6V, so you also get great ventilation even on cloudy days. Widely Uses:Solar Powered Fan Ventilator perfect for Pet house, Chicken Coops, Tree house, Dog house, Greenhouse, RV, Touring Car, Camping and etc.