ECO-WORTHY Solar Power Attic Gable Fan - 100 Watts Monocrystalline Solar Panel Module - 65 Watts Ventilator Fan Solar powered gable attic fan with high efficiency brushless motor keeps you a quiet environment. 100 watt mono solar panel with corrosion-resistant aluminum frame for extended outdoor use, which allows the pane last for decades. The fan can work automatically at low voltage, so you also get great ventilation even in cloudy days. Solar vent cools your roof and also reduces the load on your air conditioning system, it will cut your cooling costs dramatically. The attic fan comes with 1 set mounting brackets and 1 piece 16 feet (5 meter) waterproof solar cable with MC4 connector for conneting to the 100w monocrystalline solar panel conveniently.