Solar Roof vent for Car, RV, Shed, Boat, Greenhouse

This solar ventilator removes hot humid air from roof spaces much more efficiantly than normal wind turbines Simple instructions show you how to cut a 3 inch hole or drill a pattern of small holes in your structure. The solar vent comes with a mounting base plate for the outside and a vent grill plate for the inside Specs: Voltage Voc: 2V Current Isc: upto 400mA Inside grill size; 6x6 Outside mounting plate; 6x6 Fan unit; 5 1/2 in. Built in solar panel; 4 1/2 in.