Outdoor solar panels,cen effectively convert sunlight into electricity. Clean energy, span and energy saving. Keeps air clean,it can help you 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 working more slow or stops working when the sunshine is weak. Our fan is and working with our plan is faster. Solar Powered Fan Ventilator for , Chicken house, , Dog house, Greenhouse, RV, Touring Car, Camping and etc. Condition: Solar Panel:10W Fan Flow:47.3 CFM Power:USB,Not chargeable Wire 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:Black Material:Single Crystal Silicon + Metal Size:Fan size: 12x12cm Solar cup size: 210x175x2.5mm Package Contents: 1 x Fan 1 x 10W Solar Panel 1 x Charging Clip 1 x car charger Only the above package content, other products are not included. Note: Light reflection 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.