Product Details: solar panel Power: 5W, 6V Panel size: 14.5cm x14.5cm Net weight: 100g Solar panel + fan: 400g Features: Waterproof Mini fan Size: 4 inches Material: Iron Power supply: USB plug 5v USB cable length: 120cm Colour: Black Package content (neutral packaging): 1x solar panel 1x4 inch USB fan 1x manual Only the above package content, other products are not included. Note: Light shooting and different display methods may cause the color of the object in the picture to be slightly different from the actual object. The allowable measurement error is +-1-3cm. What you will get: Lifelong friendly customer service (If you have any questions, please contact our customer service directly.