Outdoor solar panels,cen effectively convert sunlight into electricity.Clean energy,long life span and energy saving.Maintains comfortable temperature level for your journey.Suitable for greenhouse,pet house,tree house,and RV car,etc.Keeps air clean,it can help you eliminate the smell of pets,tobacco,etc.Portable, Small Size, Easy to carry around. No Batteries Needed, 100% Silent and Green energy, great for environment.The solar panel runs the fan fast under direct sunshine.the solar Fan will working more slow or stops working when the sunshine is weak. Our fan is special solar and working with our plan is faster.Solar Powered Fan Ventilator for Pet house, Chicken house, Tree house, Dog house, Greenhouse, RV, Touring Car, Camping and etc.Condition:NewSolar Panel:10WFan Max Air Flow:47.3 CFMPower:USB,Not chargeableWire Length:45 CM .Notes :1)This fan only runs under sun,and how it runs depends on the weather condition.2)The fan runs with solar panel only at day time.colour:blackMaterial:Monocrystalline silicon + metalFan size is about 10*10cmSolar cup size is about 210 x 175 x 2.5mmPackage Contents:3 * Fan3 * 10W Solar Panel3 * Charging Clip3 * car chargerOnly 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.