Solar fan 1,12V,or 100V-240V voltage 2,Solar panel:40W ... :12V 24AH 3,can operate 12-15Hrs by battery 4,with controller solar fan1, 12V, or 100V-240V voltage 2, ... 25-1.35m overall height 6,With round base7,can use AC/DC 8,Solar input and output available 9, can operate 10 ... light, spot light ,bulb light series. LED solar light series and so on. 2012 HOT SELL PRODUCTS : 22W 16'' Solar fan with controller