Solar fan 1,12V,or 100V-240V voltage 2,Solar panel:40W;Battery:12V 24AH 3,can operate 12-15Hrs by battery 4,with controller ... solar fan1, 12V, or 100V-240V voltage 2, Power:22W3 ... light, ceiling light, spot light ,bulb light series. LED solar light series and so on. 2012 HOT SELL PRODUCTS : 22W 16'' Solar fan with controller