Sunforce Solar Vent 1000The Solar Vent 1000 provides silent and reliable ventilation. It helps reduce heat build-up and condensation in confined areas, keeps areas comfortable and improves air quality. It also prevents mold and mildew. The Solar Vent can be installed on rigid and flexible surfaces (fiberglass, wood, glass, plastic, metal, canvas, nylon, PVC). It is designed to be used on boats, RVs, trailers, greenhouses, and cabins. Features and Specifications Solar powered ventilator Silent and secure ventilation Works in all weather conditions Solar option for daytime usage Air in/out Sold with 2 x AA 1.2V1600mAh NiMh Easy to install - wire free On/Off Switch No running cost Helps reduce condensation Fits in polycarbonate, glass, wood, and metal etc Air in/ out, on/off switch, power storage day/night use Clear cowl CFM: 5.59 Dimensions: (L x W x H) 9.5" x 9.5" x 3.5" Weight: 1.6 lbs. Item#: 81100 / UPC#: 5050642001106User Manual