Features 1、Cooling and Ventilation: The solar panel fan can push out the hot air and push the cold air in, effectively reducing the indoor temperature and keeping the air fresh. Perfect for small chicken coops, greenhouses, sheds, pet houses, window exhaust on hot summer days. 2、Green Energy with USB Port: The mini solar panel fan effectively converts sunlight into electricity, has a long service life, and is green energy. The solar panel can also be used as an emergency power source to charge your devices at any time. The output interface is USB+DC. 3、Easy to Use: The cooling fan is powered by solar panels, easy to install, just connect the interface of the solar panel and the fan, and then put it in the sun to use. The solar panel fan runs fast in direct sunlight, and the solar fan runs slower or stops when the sun is weak. 4、Waterproof And Long Life: The solar panel is coated to prevent short circuits or damage from rain, and is suitable for outdoor environments. Solar fan has no built in batteries and can only work during the day. 5、Safety Protection and Air Circulation System: The fan is equipped with a double layer metal protection net to prevent your hands and small animals from being injured and protect the normal operation of the fan blades. Specification Item Type: Solar Panel Fan Kit Material: Monocrystalline Silicon Solar Panel + PET Lamination Power: 10W Current: 0.55A Output Interface: USB+DC Solar Panel Size: Approx. 215x185mm/8.46x7.28in DC Extension Cable Length: Approx. 197cm/77.6in (Please allow a little error for manual measurement) Package List 1 x Solar Panel1 x Fan2 x Protective Net4 x Protective Mesh Screws4 x Protective Net Nut1 x DC Extension Cord1 x Chinese and English Manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.