Check the listing for details. 25W Solar Powered Attic Ventilator Gable Roof Vent Fan with 30W Foldable Solar. Condition: New. Listed at 139.99 USD. BrandECO-WORTHYColor30W Foldable Solar Panel+12.6in FanElectric fan designExhaust FanPower SourceSolar PoweredProduct Dimensions0.7"D x 13.8"W x 27.8"HSpecial FeatureFoldableRecommended Uses For ProductCoolingController TypeButton ControlMaterialAluminum , Stainless Steel, IronWattage25 watts 【 Efficient in Low Light Condition 】- The solar attic fan can work automatically at low voltage, the Min Voltage to operate is 4V, so you also get great ventilation even on cloudy days.【 Cost-Saving & ​​​Affordable 】- The solar fan system cools your roof and also reduces the load on your air conditioning system, it will cut your cooling costs with low electric power expense.【 Well-Made Quality 】- The materials of the high volume solar attic ventilator is well built of good quality. The tolerances of the solar vent fan are pretty tight, and it runs reasonably quietly.【 Easy to Install 】- It's a ready-to-use solar fan for home, shed, garage or RV, outdoor, etc. The solar roof vent fan comes with a pre-installed 8-inch solar cable with quick-connector, and the solar panel comes 16 feet solar cable, which lets you to easily install it with the quick-connect wires. It could be installed in the gable vent or anywhere in the attic.