Solar Panel Board with Ventilation Fan for Greenhouse Pet House Kennel Cooling 5W Outdoor
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Outdoor solar panel, using monocrystalline silicon materials, effectively convert sunlight into electricity. If you need the fan to work at night, you can use the power pack, which is easy to install and use. Sunlight generates hot air, and the fan rotates immediately to dissipate heat in time and provide ventilation. When connected to a solar panel, the fan can run without using a rechargeable battery.