Features: This solar power double fan provides powerful airflows to cool and freshen air, effectively removing dust and odors for superior ventilation with its waterproof design and double fans. Featuring a 15W monocrystalline solar panel, heavy duty aluminum construction, double metal meshing guards, epoxy coated surfaces , and waterproof brushless motors for enhanced durability and flexible installation with included accessories. Ideal for homeowners, pet owners, gardeners, and campers seeking stable air circulation solution in spaces like greenhouses or outdoor shelters. Perfect for small greenhouses, backyard chicken coops, sheds, pet houses, dog kennels, attics, camping setups, and window, offering versatile ventilation both indoors and outdoors. Delivering greater airflows than similar products at up to 2500 , this ensures efficient and long lasting performances in diverse environments with easy setup. Specifications: Component : Monocrystalline silicon Solar panel size: about 24.98x33.02cm/9.8x13inch Fan size: about 2.49x11.99x11.99cm/0.98x4.72x4.72inch Package Includes: 1 set Solar Fan note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.