The newly upgraded solar dual fan has a wire mesh, which can effectively prevent foreign objects from entering and prevent the fan from being damaged Solar panel fan kits can efficiently convert sunlight into electricity. It can be widely used in places that need cooling and ventilation to keep the and help you eliminate odors. Versatile, suitable for greenhouses, pet houses, tree houses and RVs and more. Solar panels and fans need to be fastened to solid walls or roofs. Rated voltage: 12V Solar Panel: 10W Product size: about 27x175cm Fan size: about 12 x 12 cm Material: PET colour: black Package Contents: 1 x solar panel 2 x USB fan Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.