Features: 1. Solar powered: The exhaust fan uses a solar panel as the power source and is equipped with a standard USB voltage regulator to maintain output. It can be used outdoors anytime, anywhere, conveniently and quickly. 2. High conversion efficiency: The efficiency of single crystal solar cells can reach up to 20%. Outdoor solar panels can effectively convert sunlight into electricity. 3. IP65 waterproof: The solar panel adopts an epoxy resin laminated surface, and IP65 waterproofing can adapt to harsh outdoor environments, improving durability. 4. Eliminating odors: This portable exhaust fan can help you effectively maintain indoor air flow and keep the air clean, which can help you eliminate the odors of pets, tobacco, etc. 5. Widely applicable: Suitable for kitchens, greenhouses, pet houses, chicken coops, treehouses, and RVs, maintaining comfortable temperature levels. Specifications: Solar panel material: silicon Fan material: ABS Solar panel power: 10W Working voltage of solar panel: 12V Solar panel size: 270 * 175 * 3mm Output port: DC Fan power: 3W * 2 Fan size: 120 * 120 * 25mm Fan air volume: 200CFM Maximum fan speed: 3000r/min Packaging list: 1x solar panel 2x exhaust fans